New: Import List Exclusions (#608)

* New: Import List Exclusions

* Fixed: ImportExclusion ForeignId Checks, Unique. RefreshArtist Duplicate

* Fixed: Copy/Paste typos

frontend/src/Artist/Delete/DeleteArtistModalContent.js

@@ -22,7 +22,8 @@ class DeleteArtistModalContent extends Component {
     super(props, context);
 
     this.state = {
-      deleteFiles: false
+      deleteFiles: false,
+      addImportListExclusion: false
     };
   }
 
@@ -33,11 +34,17 @@ class DeleteArtistModalContent extends Component {
     this.setState({ deleteFiles: value });
   }
 
+  onAddImportListExclusionChange = ({ value }) => {
+    this.setState({ addImportListExclusion: value });
+  }
+
   onDeleteArtistConfirmed = () => {
     const deleteFiles = this.state.deleteFiles;
+    const addImportListExclusion = this.state.addImportListExclusion;
 
     this.setState({ deleteFiles: false });
-    this.props.onDeletePress(deleteFiles);
+    this.setState({ addImportListExclusion: false });
+    this.props.onDeletePress(deleteFiles, addImportListExclusion);
   }
 
   //
@@ -57,6 +64,8 @@ class DeleteArtistModalContent extends Component {
     } = statistics;
 
     const deleteFiles = this.state.deleteFiles;
+    const addImportListExclusion = this.state.addImportListExclusion;
+
     let deleteFilesLabel = `Delete ${trackFileCount} Track Files`;
     let deleteFilesHelpText = 'Delete the track files and artist folder';
 
@@ -96,6 +105,19 @@ class DeleteArtistModalContent extends Component {
             />
           </FormGroup>
 
+          <FormGroup>
+            <FormLabel>Add List Exclusion</FormLabel>
+
+            <FormInputGroup
+              type={inputTypes.CHECK}
+              name="addImportListExclusion"
+              value={addImportListExclusion}
+              helpText="Prevent artist from being added to Lidarr by Import lists"
+              kind={kinds.DANGER}
+              onChange={this.onAddImportListExclusionChange}
+            />
+          </FormGroup>
+
           {
             deleteFiles &&
               <div className={styles.deleteFilesMessage}>

frontend/src/Artist/Delete/DeleteArtistModalContentConnector.js

@@ -24,10 +24,11 @@ class DeleteArtistModalContentConnector extends Component {
   //
   // Listeners
 
-  onDeletePress = (deleteFiles) => {
+  onDeletePress = (deleteFiles, addImportListExclusion) => {
     this.props.deleteArtist({
       id: this.props.artistId,
-      deleteFiles
+      deleteFiles,
+      addImportListExclusion
     });
 
     this.props.onModalClose(true);

frontend/src/Settings/ImportLists/ImportListExclusions/EditImportListExclusionModal.js

@@ -0,0 +1,27 @@
+import PropTypes from 'prop-types';
+import React from 'react';
+import { sizes } from 'Helpers/Props';
+import Modal from 'Components/Modal/Modal';
+import EditImportListExclusionModalContentConnector from './EditImportListExclusionModalContentConnector';
+
+function EditImportListExclusionModal({ isOpen, onModalClose, ...otherProps }) {
+  return (
+    <Modal
+      size={sizes.MEDIUM}
+      isOpen={isOpen}
+      onModalClose={onModalClose}
+    >
+      <EditImportListExclusionModalContentConnector
+        {...otherProps}
+        onModalClose={onModalClose}
+      />
+    </Modal>
+  );
+}
+
+EditImportListExclusionModal.propTypes = {
+  isOpen: PropTypes.bool.isRequired,
+  onModalClose: PropTypes.func.isRequired
+};
+
+export default EditImportListExclusionModal;

frontend/src/Settings/ImportLists/ImportListExclusions/EditImportListExclusionModalConnector.js

@@ -0,0 +1,43 @@
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
+import { connect } from 'react-redux';
+import { clearPendingChanges } from 'Store/Actions/baseActions';
+import EditImportListExclusionModal from './EditImportListExclusionModal';
+
+function mapStateToProps() {
+  return {};
+}
+
+const mapDispatchToProps = {
+  clearPendingChanges
+};
+
+class EditImportListExclusionModalConnector extends Component {
+
+  //
+  // Listeners
+
+  onModalClose = () => {
+    this.props.clearPendingChanges({ section: 'settings.importListExclusions' });
+    this.props.onModalClose();
+  }
+
+  //
+  // Render
+
+  render() {
+    return (
+      <EditImportListExclusionModal
+        {...this.props}
+        onModalClose={this.onModalClose}
+      />
+    );
+  }
+}
+
+EditImportListExclusionModalConnector.propTypes = {
+  onModalClose: PropTypes.func.isRequired,
+  clearPendingChanges: PropTypes.func.isRequired
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(EditImportListExclusionModalConnector);

frontend/src/Settings/ImportLists/ImportListExclusions/EditImportListExclusionModalContent.css

@@ -0,0 +1,11 @@
+.body {
+  composes: modalBody from 'Components/Modal/ModalBody.css';
+
+  flex: 1 1 430px;
+}
+
+.deleteButton {
+  composes: button from 'Components/Link/Button.css';
+
+  margin-right: auto;
+}

frontend/src/Settings/ImportLists/ImportListExclusions/EditImportListExclusionModalContent.js

@@ -0,0 +1,135 @@
+import PropTypes from 'prop-types';
+import React from 'react';
+import { inputTypes, kinds } from 'Helpers/Props';
+import { stringSettingShape } from 'Helpers/Props/Shapes/settingShape';
+import Button from 'Components/Link/Button';
+import SpinnerErrorButton from 'Components/Link/SpinnerErrorButton';
+import LoadingIndicator from 'Components/Loading/LoadingIndicator';
+import ModalContent from 'Components/Modal/ModalContent';
+import ModalHeader from 'Components/Modal/ModalHeader';
+import ModalBody from 'Components/Modal/ModalBody';
+import ModalFooter from 'Components/Modal/ModalFooter';
+import Form from 'Components/Form/Form';
+import FormGroup from 'Components/Form/FormGroup';
+import FormLabel from 'Components/Form/FormLabel';
+import FormInputGroup from 'Components/Form/FormInputGroup';
+import styles from './EditImportListExclusionModalContent.css';
+
+function EditImportListExclusionModalContent(props) {
+  const {
+    id,
+    isFetching,
+    error,
+    isSaving,
+    saveError,
+    item,
+    onInputChange,
+    onSavePress,
+    onModalClose,
+    onDeleteImportListExclusionPress,
+    ...otherProps
+  } = props;
+
+  const {
+    artistName,
+    foreignId
+  } = item;
+
+  return (
+    <ModalContent onModalClose={onModalClose}>
+      <ModalHeader>
+        {id ? 'Edit Import List Exclusion' : 'Add Import List Exclusion'}
+      </ModalHeader>
+
+      <ModalBody className={styles.body}>
+        {
+          isFetching &&
+            <LoadingIndicator />
+        }
+
+        {
+          !isFetching && !!error &&
+            <div>Unable to add a new import list exclusion, please try again.</div>
+        }
+
+        {
+          !isFetching && !error &&
+            <Form
+              {...otherProps}
+            >
+              <FormGroup>
+                <FormLabel>Artist Name</FormLabel>
+
+                <FormInputGroup
+                  type={inputTypes.TEXT}
+                  name="artistName"
+                  helpText="The name of the artist to exclude (can be anything meaningful)"
+                  {...artistName}
+                  onChange={onInputChange}
+                />
+              </FormGroup>
+
+              <FormGroup>
+                <FormLabel>Musicbrainz Id</FormLabel>
+
+                <FormInputGroup
+                  type={inputTypes.TEXT}
+                  name="foreignId"
+                  helpText="The Musicbrainz Id of the artist to exclude"
+                  {...foreignId}
+                  onChange={onInputChange}
+                />
+              </FormGroup>
+            </Form>
+        }
+      </ModalBody>
+
+      <ModalFooter>
+        {
+          id &&
+            <Button
+              className={styles.deleteButton}
+              kind={kinds.DANGER}
+              onPress={onDeleteImportListExclusionPress}
+            >
+              Delete
+            </Button>
+        }
+
+        <Button
+          onPress={onModalClose}
+        >
+          Cancel
+        </Button>
+
+        <SpinnerErrorButton
+          isSpinning={isSaving}
+          error={saveError}
+          onPress={onSavePress}
+        >
+          Save
+        </SpinnerErrorButton>
+      </ModalFooter>
+    </ModalContent>
+  );
+}
+
+const ImportListExclusionShape = {
+  artistName: PropTypes.shape(stringSettingShape).isRequired,
+  foreignId: PropTypes.shape(stringSettingShape).isRequired
+};
+
+EditImportListExclusionModalContent.propTypes = {
+  id: PropTypes.number,
+  isFetching: PropTypes.bool.isRequired,
+  error: PropTypes.object,
+  isSaving: PropTypes.bool.isRequired,
+  saveError: PropTypes.object,
+  item: PropTypes.shape(ImportListExclusionShape).isRequired,
+  onInputChange: PropTypes.func.isRequired,
+  onSavePress: PropTypes.func.isRequired,
+  onModalClose: PropTypes.func.isRequired,
+  onDeleteImportListExclusionPress: PropTypes.func
+};
+
+export default EditImportListExclusionModalContent;

frontend/src/Settings/ImportLists/ImportListExclusions/EditImportListExclusionModalContentConnector.js

@@ -0,0 +1,118 @@
+import _ from 'lodash';
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
+import { connect } from 'react-redux';
+import { createSelector } from 'reselect';
+import selectSettings from 'Store/Selectors/selectSettings';
+import { setImportListExclusionValue, saveImportListExclusion } from 'Store/Actions/settingsActions';
+import EditImportListExclusionModalContent from './EditImportListExclusionModalContent';
+
+const newImportListExclusion = {
+  artistName: '',
+  foreignId: ''
+};
+
+function createImportListExclusionSelector() {
+  return createSelector(
+    (state, { id }) => id,
+    (state) => state.settings.importListExclusions,
+    (id, importListExclusions) => {
+      const {
+        isFetching,
+        error,
+        isSaving,
+        saveError,
+        pendingChanges,
+        items
+      } = importListExclusions;
+
+      const mapping = id ? _.find(items, { id }) : newImportListExclusion;
+      const settings = selectSettings(mapping, pendingChanges, saveError);
+
+      return {
+        id,
+        isFetching,
+        error,
+        isSaving,
+        saveError,
+        item: settings.settings,
+        ...settings
+      };
+    }
+  );
+}
+
+function createMapStateToProps() {
+  return createSelector(
+    createImportListExclusionSelector(),
+    (importListExclusion) => {
+      return {
+        ...importListExclusion
+      };
+    }
+  );
+}
+
+const mapDispatchToProps = {
+  setImportListExclusionValue,
+  saveImportListExclusion
+};
+
+class EditImportListExclusionModalContentConnector extends Component {
+
+  //
+  // Lifecycle
+
+  componentDidMount() {
+    if (!this.props.id) {
+      Object.keys(newImportListExclusion).forEach((name) => {
+        this.props.setImportListExclusionValue({
+          name,
+          value: newImportListExclusion[name]
+        });
+      });
+    }
+  }
+
+  componentDidUpdate(prevProps, prevState) {
+    if (prevProps.isSaving && !this.props.isSaving && !this.props.saveError) {
+      this.props.onModalClose();
+    }
+  }
+
+  //
+  // Listeners
+
+  onInputChange = ({ name, value }) => {
+    this.props.setImportListExclusionValue({ name, value });
+  }
+
+  onSavePress = () => {
+    this.props.saveImportListExclusion({ id: this.props.id });
+  }
+
+  //
+  // Render
+
+  render() {
+    return (
+      <EditImportListExclusionModalContent
+        {...this.props}
+        onSavePress={this.onSavePress}
+        onInputChange={this.onInputChange}
+      />
+    );
+  }
+}
+
+EditImportListExclusionModalContentConnector.propTypes = {
+  id: PropTypes.number,
+  isSaving: PropTypes.bool.isRequired,
+  saveError: PropTypes.object,
+  item: PropTypes.object.isRequired,
+  setImportListExclusionValue: PropTypes.func.isRequired,
+  saveImportListExclusion: PropTypes.func.isRequired,
+  onModalClose: PropTypes.func.isRequired
+};
+
+export default connect(createMapStateToProps, mapDispatchToProps)(EditImportListExclusionModalContentConnector);

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusion.css

@@ -0,0 +1,23 @@
+.importListExclusion {
+  display: flex;
+  align-items: stretch;
+  margin-bottom: 10px;
+  height: 30px;
+  border-bottom: 1px solid $borderColor;
+  line-height: 30px;
+}
+
+.artistName {
+  flex: 0 0 300px;
+}
+
+.foreignId {
+  flex: 0 0 400px;
+}
+
+.actions {
+  display: flex;
+  justify-content: flex-end;
+  flex: 1 0 auto;
+  padding-right: 10px;
+}

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusion.js

@@ -0,0 +1,111 @@
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
+import classNames from 'classnames';
+import { icons, kinds } from 'Helpers/Props';
+import Icon from 'Components/Icon';
+import Link from 'Components/Link/Link';
+import ConfirmModal from 'Components/Modal/ConfirmModal';
+import EditImportListExclusionModalConnector from './EditImportListExclusionModalConnector';
+import styles from './ImportListExclusion.css';
+
+class ImportListExclusion extends Component {
+
+  //
+  // Lifecycle
+
+  constructor(props, context) {
+    super(props, context);
+
+    this.state = {
+      isEditImportListExclusionModalOpen: false,
+      isDeleteImportListExclusionModalOpen: false
+    };
+  }
+
+  //
+  // Listeners
+
+  onEditImportListExclusionPress = () => {
+    this.setState({ isEditImportListExclusionModalOpen: true });
+  }
+
+  onEditImportListExclusionModalClose = () => {
+    this.setState({ isEditImportListExclusionModalOpen: false });
+  }
+
+  onDeleteImportListExclusionPress = () => {
+    this.setState({
+      isEditImportListExclusionModalOpen: false,
+      isDeleteImportListExclusionModalOpen: true
+    });
+  }
+
+  onDeleteImportListExclusionModalClose = () => {
+    this.setState({ isDeleteImportListExclusionModalOpen: false });
+  }
+
+  onConfirmDeleteImportListExclusion = () => {
+    this.props.onConfirmDeleteImportListExclusion(this.props.id);
+  }
+
+  //
+  // Render
+
+  render() {
+    const {
+      id,
+      artistName,
+      foreignId
+    } = this.props;
+
+    return (
+      <div
+        className={classNames(
+          styles.importListExclusion,
+        )}
+      >
+        <div className={styles.artistName}>{artistName}</div>
+        <div className={styles.foreignId}>{foreignId}</div>
+
+        <div className={styles.actions}>
+          <Link
+            onPress={this.onEditImportListExclusionPress}
+          >
+            <Icon name={icons.EDIT} />
+          </Link>
+        </div>
+
+        <EditImportListExclusionModalConnector
+          id={id}
+          isOpen={this.state.isEditImportListExclusionModalOpen}
+          onModalClose={this.onEditImportListExclusionModalClose}
+          onDeleteImportListExclusionPress={this.onDeleteImportListExclusionPress}
+        />
+
+        <ConfirmModal
+          isOpen={this.state.isDeleteImportListExclusionModalOpen}
+          kind={kinds.DANGER}
+          title="Delete Import List Exclusion"
+          message="Are you sure you want to delete this import list exclusion?"
+          confirmLabel="Delete"
+          onConfirm={this.onConfirmDeleteImportListExclusion}
+          onCancel={this.onDeleteImportListExclusionModalClose}
+        />
+      </div>
+    );
+  }
+}
+
+ImportListExclusion.propTypes = {
+  id: PropTypes.number.isRequired,
+  artistName: PropTypes.string.isRequired,
+  foreignId: PropTypes.string.isRequired,
+  onConfirmDeleteImportListExclusion: PropTypes.func.isRequired
+};
+
+ImportListExclusion.defaultProps = {
+  // The drag preview will not connect the drag handle.
+  connectDragSource: (node) => node
+};
+
+export default ImportListExclusion;

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusions.css

@@ -0,0 +1,23 @@
+.importListExclusionsHeader {
+  display: flex;
+  margin-bottom: 10px;
+  font-weight: bold;
+}
+
+.host {
+  flex: 0 0 300px;
+}
+
+.path {
+  flex: 0 0 400px;
+}
+
+.addImportListExclusion {
+  display: flex;
+  justify-content: flex-end;
+  padding-right: 10px;
+}
+
+.addButton {
+  text-align: center;
+}

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusions.js

@@ -0,0 +1,100 @@
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
+import { icons } from 'Helpers/Props';
+import FieldSet from 'Components/FieldSet';
+import Icon from 'Components/Icon';
+import Link from 'Components/Link/Link';
+import PageSectionContent from 'Components/Page/PageSectionContent';
+import ImportListExclusion from './ImportListExclusion';
+import EditImportListExclusionModalConnector from './EditImportListExclusionModalConnector';
+import styles from './ImportListExclusions.css';
+
+class ImportListExclusions extends Component {
+
+  //
+  // Lifecycle
+
+  constructor(props, context) {
+    super(props, context);
+
+    this.state = {
+      isAddImportListExclusionModalOpen: false
+    };
+  }
+
+  //
+  // Listeners
+
+  onAddImportListExclusionPress = () => {
+    this.setState({ isAddImportListExclusionModalOpen: true });
+  }
+
+  onModalClose = () => {
+    this.setState({ isAddImportListExclusionModalOpen: false });
+  }
+
+  //
+  // Render
+
+  render() {
+    const {
+      items,
+      onConfirmDeleteImportListExclusion,
+      ...otherProps
+    } = this.props;
+
+    return (
+      <FieldSet legend="Import List Exclusions">
+        <PageSectionContent
+          errorMessage="Unable to load Import List Exclusions"
+          {...otherProps}
+        >
+          <div className={styles.importListExclusionsHeader}>
+            <div className={styles.host}>Name</div>
+            <div className={styles.path}>Foreign Id</div>
+          </div>
+
+          <div>
+            {
+              items.map((item, index) => {
+                return (
+                  <ImportListExclusion
+                    key={item.id}
+                    {...item}
+                    {...otherProps}
+                    index={index}
+                    onConfirmDeleteImportListExclusion={onConfirmDeleteImportListExclusion}
+                  />
+                );
+              })
+            }
+          </div>
+
+          <div className={styles.addImportListExclusion}>
+            <Link
+              className={styles.addButton}
+              onPress={this.onAddImportListExclusionPress}
+            >
+              <Icon name={icons.ADD} />
+            </Link>
+          </div>
+
+          <EditImportListExclusionModalConnector
+            isOpen={this.state.isAddImportListExclusionModalOpen}
+            onModalClose={this.onModalClose}
+          />
+
+        </PageSectionContent>
+      </FieldSet>
+    );
+  }
+}
+
+ImportListExclusions.propTypes = {
+  isFetching: PropTypes.bool.isRequired,
+  error: PropTypes.object,
+  items: PropTypes.arrayOf(PropTypes.object).isRequired,
+  onConfirmDeleteImportListExclusion: PropTypes.func.isRequired
+};
+
+export default ImportListExclusions;

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusionsConnector.js

@@ -0,0 +1,59 @@
+import PropTypes from 'prop-types';
+import React, { Component } from 'react';
+import { connect } from 'react-redux';
+import { createSelector } from 'reselect';
+import { fetchImportListExclusions, deleteImportListExclusion } from 'Store/Actions/settingsActions';
+import ImportListExclusions from './ImportListExclusions';
+
+function createMapStateToProps() {
+  return createSelector(
+    (state) => state.settings.importListExclusions,
+    (importListExclusions) => {
+      return {
+        ...importListExclusions
+      };
+    }
+  );
+}
+
+const mapDispatchToProps = {
+  fetchImportListExclusions,
+  deleteImportListExclusion
+};
+
+class ImportListExclusionsConnector extends Component {
+
+  //
+  // Lifecycle
+
+  componentDidMount() {
+    this.props.fetchImportListExclusions();
+  }
+
+  //
+  // Listeners
+
+  onConfirmDeleteImportListExclusion = (id) => {
+    this.props.deleteImportListExclusion({ id });
+  }
+
+  //
+  // Render
+
+  render() {
+    return (
+      <ImportListExclusions
+        {...this.state}
+        {...this.props}
+        onConfirmDeleteImportListExclusion={this.onConfirmDeleteImportListExclusion}
+      />
+    );
+  }
+}
+
+ImportListExclusionsConnector.propTypes = {
+  fetchImportListExclusions: PropTypes.func.isRequired,
+  deleteImportListExclusion: PropTypes.func.isRequired
+};
+
+export default connect(createMapStateToProps, mapDispatchToProps)(ImportListExclusionsConnector);

frontend/src/Settings/ImportLists/ImportListSettings.js

@@ -7,6 +7,7 @@ import PageToolbarButton from 'Components/Page/Toolbar/PageToolbarButton';
 import PageToolbarSeparator from 'Components/Page/Toolbar/PageToolbarSeparator';
 import SettingsToolbarConnector from 'Settings/SettingsToolbarConnector';
 import ImportListsConnector from './ImportLists/ImportListsConnector';
+import ImportListsExclusionsConnector from './ImportListExclusions/ImportListExclusionsConnector';
 
 class ImportListSettings extends Component {
 
@@ -74,6 +75,7 @@ class ImportListSettings extends Component {
 
         <PageContentBodyConnector>
           <ImportListsConnector />
+          <ImportListsExclusionsConnector />
         </PageContentBodyConnector>
       </PageContent>
     );

frontend/src/Store/Actions/Settings/importListExclusions.js

@@ -0,0 +1,69 @@
+import { createAction } from 'redux-actions';
+import { createThunk } from 'Store/thunks';
+import createSetSettingValueReducer from 'Store/Actions/Creators/Reducers/createSetSettingValueReducer';
+import createFetchHandler from 'Store/Actions/Creators/createFetchHandler';
+import createSaveProviderHandler from 'Store/Actions/Creators/createSaveProviderHandler';
+import createRemoveItemHandler from 'Store/Actions/Creators/createRemoveItemHandler';
+
+//
+// Variables
+
+const section = 'settings.importListExclusions';
+
+//
+// Actions Types
+
+export const FETCH_IMPORT_LIST_EXCLUSIONS = 'settings/importListExclusions/fetchImportListExclusions';
+export const SAVE_IMPORT_LIST_EXCLUSION = 'settings/importListExclusions/saveImportListExclusion';
+export const DELETE_IMPORT_LIST_EXCLUSION = 'settings/importListExclusions/deleteImportListExclusion';
+export const SET_IMPORT_LIST_EXCLUSION_VALUE = 'settings/importListExclusions/setImportListExclusionValue';
+
+//
+// Action Creators
+
+export const fetchImportListExclusions = createThunk(FETCH_IMPORT_LIST_EXCLUSIONS);
+export const saveImportListExclusion = createThunk(SAVE_IMPORT_LIST_EXCLUSION);
+export const deleteImportListExclusion = createThunk(DELETE_IMPORT_LIST_EXCLUSION);
+
+export const setImportListExclusionValue = createAction(SET_IMPORT_LIST_EXCLUSION_VALUE, (payload) => {
+  return {
+    section,
+    ...payload
+  };
+});
+
+//
+// Details
+
+export default {
+
+  //
+  // State
+
+  defaultState: {
+    isFetching: false,
+    isPopulated: false,
+    error: null,
+    items: [],
+    isSaving: false,
+    saveError: null,
+    pendingChanges: {}
+  },
+
+  //
+  // Action Handlers
+
+  actionHandlers: {
+    [FETCH_IMPORT_LIST_EXCLUSIONS]: createFetchHandler(section, '/importlistexclusion'),
+    [SAVE_IMPORT_LIST_EXCLUSION]: createSaveProviderHandler(section, '/importlistexclusion'),
+    [DELETE_IMPORT_LIST_EXCLUSION]: createRemoveItemHandler(section, '/importlistexclusion')
+  },
+
+  //
+  // Reducers
+
+  reducers: {
+    [SET_IMPORT_LIST_EXCLUSION_VALUE]: createSetSettingValueReducer(section)
+  }
+
+};

frontend/src/Store/Actions/artistActions.js

@@ -186,7 +186,8 @@ export const deleteArtist = createThunk(DELETE_ARTIST, (payload) => {
   return {
     ...payload,
     queryParams: {
-      deleteFiles: payload.deleteFiles
+      deleteFiles: payload.deleteFiles,
+      addImportListExclusion: payload.addImportListExclusion
     }
   };
 });

frontend/src/Store/Actions/settingsActions.js

@@ -9,6 +9,7 @@ import indexerOptions from './Settings/indexerOptions';
 import indexers from './Settings/indexers';
 import languageProfiles from './Settings/languageProfiles';
 import importLists from './Settings/importLists';
+import importListExclusions from './Settings/importListExclusions';
 import metadataProfiles from './Settings/metadataProfiles';
 import mediaManagement from './Settings/mediaManagement';
 import metadata from './Settings/metadata';
@@ -27,6 +28,7 @@ export * from './Settings/downloadClients';
 export * from './Settings/downloadClientOptions';
 export * from './Settings/general';
 export * from './Settings/importLists';
+export * from './Settings/importListExclusions';
 export * from './Settings/indexerOptions';
 export * from './Settings/indexers';
 export * from './Settings/languageProfiles';
@@ -62,6 +64,7 @@ export const defaultState = {
   indexers: indexers.defaultState,
   languageProfiles: languageProfiles.defaultState,
   importLists: importLists.defaultState,
+  importListExclusions: importListExclusions.defaultState,
   metadataProfiles: metadataProfiles.defaultState,
   mediaManagement: mediaManagement.defaultState,
   metadata: metadata.defaultState,
@@ -102,6 +105,7 @@ export const actionHandlers = handleThunks({
   ...indexers.actionHandlers,
   ...languageProfiles.actionHandlers,
   ...importLists.actionHandlers,
+  ...importListExclusions.actionHandlers,
   ...metadataProfiles.actionHandlers,
   ...mediaManagement.actionHandlers,
   ...metadata.actionHandlers,
@@ -133,6 +137,7 @@ export const reducers = createHandleActions({
   ...indexers.reducers,
   ...languageProfiles.reducers,
   ...importLists.reducers,
+  ...importListExclusions.reducers,
   ...metadataProfiles.reducers,
   ...mediaManagement.reducers,
   ...metadata.reducers,

src/Lidarr.Api.V1/Artist/ArtistModule.cs

@@ -171,8 +171,9 @@ namespace Lidarr.Api.V1.Artist
         private void DeleteArtist(int id)
         {
             var deleteFiles = Request.GetBooleanQueryParameter("deleteFiles");
+            var addImportListExclusion = Request.GetBooleanQueryParameter("addImportListExclusion");
 
-            _artistService.DeleteArtist(id, deleteFiles);
+            _artistService.DeleteArtist(id, deleteFiles, addImportListExclusion);
         }
 
         private void MapCoversToLocal(params ArtistResource[] artists)

src/Lidarr.Api.V1/ImportLists/ImportListExclusionModule.cs

@@ -0,0 +1,56 @@
+using System.Collections.Generic;
+using NzbDrone.Core.ImportLists.Exclusions;
+using Lidarr.Http;
+using FluentValidation;
+using NzbDrone.Core.Validation;
+
+namespace Lidarr.Api.V1.ImportLists
+{
+    public class ImportListExclusionModule : LidarrRestModule<ImportListExclusionResource>
+    {
+        private readonly IImportListExclusionService _importListExclusionService;
+
+        public ImportListExclusionModule(IImportListExclusionService importListExclusionService,
+                                         ImportListExclusionExistsValidator importListExclusionExistsValidator,
+                                         GuidValidator guidValidator)
+        {
+            _importListExclusionService = importListExclusionService;
+
+            GetResourceById = GetImportListExclusion;
+            GetResourceAll = GetImportListExclusions;
+            CreateResource = AddImportListExclusion;
+            UpdateResource = UpdateImportListExclusion;
+            DeleteResource = DeleteImportListExclusionResource;
+
+            SharedValidator.RuleFor(c => c.ForeignId).NotEmpty().SetValidator(guidValidator).SetValidator(importListExclusionExistsValidator);
+            SharedValidator.RuleFor(c => c.ArtistName).NotEmpty();
+        }
+
+        private ImportListExclusionResource GetImportListExclusion(int id)
+        {
+            return _importListExclusionService.Get(id).ToResource();
+        }
+
+        private List<ImportListExclusionResource> GetImportListExclusions()
+        {
+            return _importListExclusionService.All().ToResource();
+        }
+
+        private int AddImportListExclusion(ImportListExclusionResource resource)
+        {
+            var customFilter = _importListExclusionService.Add(resource.ToModel());
+
+            return customFilter.Id;
+        }
+
+        private void UpdateImportListExclusion(ImportListExclusionResource resource)
+        {
+            _importListExclusionService.Update(resource.ToModel());
+        }
+
+        private void DeleteImportListExclusionResource(int id)
+        {
+            _importListExclusionService.Delete(id);
+        }
+    }
+}

src/Lidarr.Api.V1/ImportLists/ImportListExclusionResource.cs

@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using System.Linq;
+using NzbDrone.Core.ImportLists.Exclusions;
+using Lidarr.Http.REST;
+
+namespace Lidarr.Api.V1.ImportLists
+{
+    public class ImportListExclusionResource : RestResource
+    {
+        public string ForeignId { get; set; }
+        public string ArtistName { get; set; }
+    }
+
+    public static class ImportListExclusionResourceMapper
+    {
+        public static ImportListExclusionResource ToResource(this ImportListExclusion model)
+        {
+            if (model == null) return null;
+
+            return new ImportListExclusionResource
+            {
+                Id = model.Id,
+                ForeignId = model.ForeignId,
+                ArtistName = model.Name,
+            };
+        }
+
+        public static ImportListExclusion ToModel(this ImportListExclusionResource resource)
+        {
+            if (resource == null) return null;
+
+            return new ImportListExclusion
+            {
+                Id = resource.Id,
+                ForeignId = resource.ForeignId,
+                Name = resource.ArtistName
+            };
+        }
+
+        public static List<ImportListExclusionResource> ToResource(this IEnumerable<ImportListExclusion> filters)
+        {
+            return filters.Select(ToResource).ToList();
+        }
+    }
+}

src/Lidarr.Api.V1/Lidarr.Api.V1.csproj

@@ -99,6 +99,8 @@
     <Compile Include="Config\MetadataProviderConfigResource.cs" />
     <Compile Include="CustomFilters\CustomFilterModule.cs" />
     <Compile Include="CustomFilters\CustomFilterResource.cs" />
+    <Compile Include="ImportLists\ImportListExclusionModule.cs" />
+    <Compile Include="ImportLists\ImportListExclusionResource.cs" />
     <Compile Include="ImportLists\ImportListModule.cs" />
     <Compile Include="ImportLists\ImportListResource.cs" />
     <Compile Include="Profiles\Metadata\MetadataProfileModule.cs" />

src/NzbDrone.Core.Test/ImportListTests/ImportListSyncServiceFixture.cs

@@ -7,6 +7,7 @@ using NzbDrone.Core.MetadataSource;
 using NzbDrone.Core.Music;
 using NzbDrone.Core.Parser.Model;
 using NzbDrone.Core.Test.Framework;
+using NzbDrone.Core.ImportLists.Exclusions;
 
 namespace NzbDrone.Core.Test.ImportListTests
 {
@@ -43,6 +44,10 @@ namespace NzbDrone.Core.Test.ImportListTests
             Mocker.GetMock<IFetchAndParseImportList>()
                 .Setup(v => v.Fetch())
                 .Returns(_importListReports);
+
+            Mocker.GetMock<IImportListExclusionService>()
+                .Setup(v => v.All())
+                .Returns(new List<ImportListExclusion>());
         }
 
         private void WithAlbum()
@@ -67,6 +72,17 @@ namespace NzbDrone.Core.Test.ImportListTests
                 .Returns(new Artist{ForeignArtistId = _importListReports.First().ArtistMusicBrainzId });
         }
 
+        private void WithExcludedArtist()
+        {
+            Mocker.GetMock<IImportListExclusionService>()
+                .Setup(v => v.All())
+                .Returns(new List<ImportListExclusion> {
+                    new ImportListExclusion {
+                        ForeignId = "f59c5520-5f46-4d2c-b2c4-822eabf53419"
+                    }
+                });
+        }
+
         [Test]
         public void should_search_if_artist_title_and_no_artist_id()
         {
@@ -123,7 +139,7 @@ namespace NzbDrone.Core.Test.ImportListTests
         }
 
         [Test]
-        public void should_not_try_add_if_existing_artist()
+        public void should_not_add_if_existing_artist()
         {
             WithArtistId();
             WithAlbum();
@@ -149,6 +165,20 @@ namespace NzbDrone.Core.Test.ImportListTests
                 .Verify(v => v.AddArtists(It.Is<List<Artist>>(t => t.Count == 1)));
         }
 
+        [Test]
+        public void should_not_add_if_excluded_artist()
+        {
+            WithArtistId();
+            WithAlbum();
+            WithAlbumId();
+            WithExcludedArtist();
+
+            Subject.Execute(new ImportListSyncCommand());
+
+            Mocker.GetMock<IAddArtistService>()
+                .Verify(v => v.AddArtists(It.Is<List<Artist>>(t => t.Count == 0)));
+        }
+
         [Test]
         public void should_mark_album_for_monitor_if_album_id()
         {

src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -387,6 +387,7 @@
     <Compile Include="ThingiProviderTests\ProviderStatusServiceFixture.cs" />
     <Compile Include="UpdateTests\UpdatePackageProviderFixture.cs" />
     <Compile Include="UpdateTests\UpdateServiceFixture.cs" />
+    <Compile Include="ValidationTests\GuidValidationFixture.cs" />
     <Compile Include="ValidationTests\SystemFolderValidatorFixture.cs" />
     <Compile Include="XbmcVersionTests.cs" />
     <None Include="Files\Nzbs\NoFiles.nzb">
@@ -610,9 +611,6 @@
     <ItemGroup>
       <IdentificationTestCases Include="Files\Identification\*.json" />
     </ItemGroup>
-    <Copy
+    <Copy SourceFiles="@(IdentificationTestCases)" DestinationFolder="$(OutputPath)\Files\Identification\" SkipUnchangedFiles="true" />
-        SourceFiles="@(IdentificationTestCases)"
-        DestinationFolder="$(OutputPath)\Files\Identification\"
-        SkipUnchangedFiles="true"/>
   </Target>
 </Project>

src/NzbDrone.Core.Test/ValidationTests/GuidValidationFixture.cs

@@ -0,0 +1,44 @@
+using FizzWare.NBuilder;
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Test.Framework;
+using NzbDrone.Core.Validation;
+using NzbDrone.Test.Common;
+using NzbDrone.Core.ImportLists.Exclusions;
+
+namespace NzbDrone.Core.Test.ValidationTests
+{
+    public class GuidValidationFixture : CoreTest<GuidValidator>
+    {
+        private TestValidator<ImportListExclusion> _validator;
+
+        [SetUp]
+        public void Setup()
+        {
+            _validator = new TestValidator<ImportListExclusion>
+                            {
+                                v => v.RuleFor(s => s.ForeignId).SetValidator(Subject)
+                            };
+        }
+
+        [Test]
+        public void should_not_be_valid_if_invalid_guid()
+        {
+            var listExclusion = Builder<ImportListExclusion>.CreateNew()
+                                        .With(s => s.ForeignId = "e1f1e33e-2e4c-4d43-b91b-7064068d328")
+                                        .Build();
+
+            _validator.Validate(listExclusion).IsValid.Should().BeFalse();
+        }
+
+        [Test]
+        public void should_be_valid_if_valid_guid()
+        {
+            var listExclusion = Builder<ImportListExclusion>.CreateNew()
+                                        .With(s => s.ForeignId = "e1f1e33e-2e4c-4d43-b91b-7064068d3283")
+                                        .Build();
+
+            _validator.Validate(listExclusion).IsValid.Should().BeTrue();
+        }
+    }
+}

src/NzbDrone.Core/Datastore/Migration/027_add_import_exclusions.cs

@@ -0,0 +1,16 @@
+using FluentMigrator;
+using NzbDrone.Core.Datastore.Migration.Framework;
+
+namespace NzbDrone.Core.Datastore.Migration
+{
+    [Migration(027)]
+    public class add_import_exclusions : NzbDroneMigrationBase
+    {
+        protected override void MainDbUpgrade()
+        {
+            Create.TableForModel("ImportListExclusions")
+                  .WithColumn("ForeignId").AsString().NotNullable().Unique()
+                  .WithColumn("Name").AsString().NotNullable();
+        }
+    }
+}

src/NzbDrone.Core/Datastore/TableMapping.cs

@@ -12,6 +12,7 @@ using NzbDrone.Core.Download;
 using NzbDrone.Core.Download.Pending;
 using NzbDrone.Core.Indexers;
 using NzbDrone.Core.ImportLists;
+using NzbDrone.Core.ImportLists.Exclusions;
 using NzbDrone.Core.Instrumentation;
 using NzbDrone.Core.Jobs;
 using NzbDrone.Core.MediaFiles;
@@ -191,6 +192,7 @@ namespace NzbDrone.Core.Datastore
             Mapper.Entity<ImportListStatus>().RegisterModel("ImportListStatus");
 
             Mapper.Entity<CustomFilter>().RegisterModel("CustomFilters");
+            Mapper.Entity<ImportListExclusion>().RegisterModel("ImportListExclusions");
         }
 
         private static void RegisterMappers()

src/NzbDrone.Core/ImportLists/Exclusions/ImportListExclusion.cs

@@ -0,0 +1,10 @@
+using NzbDrone.Core.Datastore;
+
+namespace NzbDrone.Core.ImportLists.Exclusions
+{
+    public class ImportListExclusion : ModelBase
+    {
+        public string ForeignId { get; set; }
+        public string Name { get; set; }
+    }
+}

src/NzbDrone.Core/ImportLists/Exclusions/ImportListExclusionExistsValidator.cs

@@ -0,0 +1,22 @@
+using FluentValidation.Validators;
+
+namespace NzbDrone.Core.ImportLists.Exclusions
+{
+    public class ImportListExclusionExistsValidator : PropertyValidator
+    {
+        private readonly IImportListExclusionService _importListExclusionService;
+
+        public ImportListExclusionExistsValidator(IImportListExclusionService importListExclusionService)
+            : base("This exclusion has already been added.")
+        {
+            _importListExclusionService = importListExclusionService;
+        }
+
+        protected override bool IsValid(PropertyValidatorContext context)
+        {
+            if (context.PropertyValue == null) return true;
+
+            return (!_importListExclusionService.All().Exists(s => s.ForeignId == context.PropertyValue.ToString()));
+        }
+    }
+}

src/NzbDrone.Core/ImportLists/Exclusions/ImportListExclusionRepository.cs

@@ -0,0 +1,24 @@
+using NzbDrone.Core.Datastore;
+using NzbDrone.Core.Messaging.Events;
+using System.Linq;
+
+namespace NzbDrone.Core.ImportLists.Exclusions
+{
+    public interface IImportListExclusionRepository : IBasicRepository<ImportListExclusion>
+    {
+        ImportListExclusion FindByForeignId(string foreignId);
+    }
+
+    public class ImportListExclusionRepository : BasicRepository<ImportListExclusion>, IImportListExclusionRepository
+    {
+        public ImportListExclusionRepository(IMainDatabase database, IEventAggregator eventAggregator)
+            : base(database, eventAggregator)
+        {
+        }
+
+        public ImportListExclusion FindByForeignId(string foreignId)
+        {
+            return Query.Where<ImportListExclusion>(m => m.ForeignId == foreignId).SingleOrDefault();
+        }
+    }
+}

src/NzbDrone.Core/ImportLists/Exclusions/ImportListExclusionService.cs

@@ -0,0 +1,80 @@
+using NzbDrone.Core.Messaging.Events;
+using NzbDrone.Core.Music.Events;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace NzbDrone.Core.ImportLists.Exclusions
+{
+    public interface IImportListExclusionService
+    {
+        ImportListExclusion Add(ImportListExclusion importListExclusion);
+        List<ImportListExclusion> All();
+        void Delete(int id);
+        ImportListExclusion Get(int id);
+        ImportListExclusion FindByForeignId(string foreignId);
+        ImportListExclusion Update(ImportListExclusion importListExclusion);
+    }
+
+    public class ImportListExclusionService : IImportListExclusionService, IHandleAsync<ArtistDeletedEvent>
+    {
+        private readonly IImportListExclusionRepository _repo;
+
+        public ImportListExclusionService(IImportListExclusionRepository repo)
+        {
+            _repo = repo;
+        }
+
+        public ImportListExclusion Add(ImportListExclusion importListExclusion)
+        {
+            return _repo.Insert(importListExclusion);
+        }
+
+        public ImportListExclusion Update(ImportListExclusion importListExclusion)
+        {
+            return _repo.Update(importListExclusion);
+        }
+
+        public void Delete(int id)
+        {
+            _repo.Delete(id);
+        }
+
+        public ImportListExclusion Get(int id)
+        {
+            return _repo.Get(id);
+        }
+
+        public ImportListExclusion FindByForeignId(string foreignId)
+        {
+            return _repo.FindByForeignId(foreignId);
+        }
+
+        public List<ImportListExclusion> All()
+        {
+            return _repo.All().ToList();
+        }
+
+        public void HandleAsync(ArtistDeletedEvent message)
+        {
+            if (!message.AddImportListExclusion)
+            {
+                return;
+            }
+
+            var existingExclusion = _repo.FindByForeignId(message.Artist.ForeignArtistId);
+
+            if (existingExclusion != null)
+            {
+                return;
+            }
+
+            var importExclusion = new ImportListExclusion
+            {
+                ForeignId = message.Artist.ForeignArtistId,
+                Name = message.Artist.Name
+            };
+
+            _repo.Insert(importExclusion);
+        }
+    }
+}

src/NzbDrone.Core/ImportLists/ImportListSyncService.cs

@@ -3,6 +3,7 @@ using System.Linq;
 using NLog;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Instrumentation.Extensions;
+using NzbDrone.Core.ImportLists.Exclusions;
 using NzbDrone.Core.Messaging.Commands;
 using NzbDrone.Core.Messaging.Events;
 using NzbDrone.Core.MetadataSource;
@@ -15,6 +16,7 @@ namespace NzbDrone.Core.ImportLists
     {
         private readonly IImportListStatusService _importListStatusService;
         private readonly IImportListFactory _importListFactory;
+        private readonly IImportListExclusionService _importListExclusionService;
         private readonly IFetchAndParseImportList _listFetcherAndParser;
         private readonly ISearchForNewAlbum _albumSearchService;
         private readonly ISearchForNewArtist _artistSearchService;
@@ -25,6 +27,7 @@ namespace NzbDrone.Core.ImportLists
 
         public ImportListSyncService(IImportListStatusService importListStatusService,
                               IImportListFactory importListFactory,
+                              IImportListExclusionService importListExclusionService,
                               IFetchAndParseImportList listFetcherAndParser,
                               ISearchForNewAlbum albumSearchService,
                               ISearchForNewArtist artistSearchService,
@@ -35,6 +38,7 @@ namespace NzbDrone.Core.ImportLists
         {
             _importListStatusService = importListStatusService;
             _importListFactory = importListFactory;
+            _importListExclusionService = importListExclusionService;
             _listFetcherAndParser = listFetcherAndParser;
             _albumSearchService = albumSearchService;
             _artistSearchService = artistSearchService;
@@ -78,6 +82,8 @@ namespace NzbDrone.Core.ImportLists
 
             var reportNumber = 1;
 
+            var listExclusions = _importListExclusionService.All();
+
             foreach (var report in reports)
             {
                 _logger.ProgressTrace("Processing list item {0}/{1}", reportNumber, reports.Count);
@@ -113,8 +119,16 @@ namespace NzbDrone.Core.ImportLists
                 // Check to see if artist in DB
                 var existingArtist = _artistService.FindById(report.ArtistMusicBrainzId);
                 
+                // Check to see if artist excluded
+                var excludedArtist = listExclusions.Where(s => s.ForeignId == report.ArtistMusicBrainzId).SingleOrDefault();
+
+                if (excludedArtist != null)
+                {
+                    _logger.Debug("{0} [{1}] Rejected due to list exlcusion", report.ArtistMusicBrainzId, report.Artist);
+                }
+
                 // Append Artist if not already in DB or already on add list
-                if (existingArtist == null && artistsToAdd.All(s => s.Metadata.Value.ForeignArtistId != report.ArtistMusicBrainzId))
+                if (existingArtist == null && excludedArtist == null && artistsToAdd.All(s => s.Metadata.Value.ForeignArtistId != report.ArtistMusicBrainzId))
                 {
                     artistsToAdd.Add(new Artist
                     {

src/NzbDrone.Core/Music/ArtistService.cs

@@ -4,9 +4,10 @@ using NzbDrone.Core.Music.Events;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using NzbDrone.Core.Parser;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Cache;
+using NzbDrone.Core.ImportLists.Exclusions;
+using NzbDrone.Core.Parser;
 
 namespace NzbDrone.Core.Music
 {
@@ -21,7 +22,7 @@ namespace NzbDrone.Core.Music
         Artist FindByName(string title);
         Artist FindByNameInexact(string title);
         List<Artist> GetCandidates(string title);
-        void DeleteArtist(int artistId, bool deleteFiles);
+        void DeleteArtist(int artistId, bool deleteFiles, bool addImportListExclusion = false);
         List<Artist> GetAllArtists();
         List<Artist> AllForTag(int tagId);
         Artist UpdateArtist(Artist artist);
@@ -36,6 +37,7 @@ namespace NzbDrone.Core.Music
         private readonly IArtistMetadataRepository _artistMetadataRepository;
         private readonly IEventAggregator _eventAggregator;
         private readonly ITrackService _trackService;
+        private readonly IImportListExclusionService _importListExclusionService;
         private readonly IBuildArtistPaths _artistPathBuilder;
         private readonly Logger _logger;
         private readonly ICached<List<Artist>> _cache;
@@ -44,6 +46,7 @@ namespace NzbDrone.Core.Music
                              IArtistMetadataRepository artistMetadataRepository,
                              IEventAggregator eventAggregator,
                              ITrackService trackService,
+                             IImportListExclusionService importListExclusionService,
                              IBuildArtistPaths artistPathBuilder,
                              ICacheManager cacheManager,
                              Logger logger)
@@ -52,6 +55,7 @@ namespace NzbDrone.Core.Music
             _artistMetadataRepository = artistMetadataRepository;
             _eventAggregator = eventAggregator;
             _trackService = trackService;
+            _importListExclusionService = importListExclusionService;
             _artistPathBuilder = artistPathBuilder;
             _cache = cacheManager.GetCache<List<Artist>>(GetType());
             _logger = logger;
@@ -82,12 +86,12 @@ namespace NzbDrone.Core.Music
             return _artistRepository.ArtistPathExists(folder);
         }
 
-        public void DeleteArtist(int artistId, bool deleteFiles)
+        public void DeleteArtist(int artistId, bool deleteFiles, bool addImportListExclusion = false)
         {
             _cache.Clear();
             var artist = _artistRepository.Get(artistId);
             _artistRepository.Delete(artistId);
-            _eventAggregator.PublishEvent(new ArtistDeletedEvent(artist, deleteFiles));
+            _eventAggregator.PublishEvent(new ArtistDeletedEvent(artist, deleteFiles, addImportListExclusion));
         }
 
         public Artist FindById(string spotifyId)

src/NzbDrone.Core/Music/Events/ArtistDeletedEvent.cs

@@ -1,4 +1,4 @@
-using NzbDrone.Common.Messaging;
+using NzbDrone.Common.Messaging;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -10,11 +10,13 @@ namespace NzbDrone.Core.Music.Events
     {
         public Artist Artist { get; private set; }
         public bool DeleteFiles { get; private set; }
+        public bool AddImportListExclusion { get; private set; }
 
-        public ArtistDeletedEvent(Artist artist, bool deleteFiles)
+        public ArtistDeletedEvent(Artist artist, bool deleteFiles, bool addImportListExclusion)
         {
             Artist = artist;
             DeleteFiles = deleteFiles;
+            AddImportListExclusion = addImportListExclusion;
         }
     }
 }

src/NzbDrone.Core/Music/RefreshArtistService.cs

@@ -14,6 +14,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
+using NzbDrone.Core.ImportLists.Exclusions;
 
 namespace NzbDrone.Core.Music
 {
@@ -29,6 +30,7 @@ namespace NzbDrone.Core.Music
         private readonly IDiskScanService _diskScanService;
         private readonly ICheckIfArtistShouldBeRefreshed _checkIfArtistShouldBeRefreshed;
         private readonly IConfigService _configService;
+        private readonly IImportListExclusionService _importListExclusionService;
         private readonly Logger _logger;
 
         public RefreshArtistService(IProvideArtistInfo artistInfo,
@@ -41,6 +43,7 @@ namespace NzbDrone.Core.Music
                                     IDiskScanService diskScanService,
                                     ICheckIfArtistShouldBeRefreshed checkIfArtistShouldBeRefreshed,
                                     IConfigService configService,
+                                    IImportListExclusionService importListExclusionService,
                                     Logger logger)
         {
             _artistInfo = artistInfo;
@@ -53,6 +56,7 @@ namespace NzbDrone.Core.Music
             _diskScanService = diskScanService;
             _checkIfArtistShouldBeRefreshed = checkIfArtistShouldBeRefreshed;
             _configService = configService;
+            _importListExclusionService = importListExclusionService;
             _logger = logger;
         }
 
@@ -75,6 +79,16 @@ namespace NzbDrone.Core.Music
             if (artist.Metadata.Value.ForeignArtistId != artistInfo.Metadata.Value.ForeignArtistId)
             {
                 _logger.Warn("Artist '{0}' (Artist {1}) was replaced with '{2}' (LidarrAPI {3}), because the original was a duplicate.", artist.Name, artist.Metadata.Value.ForeignArtistId, artistInfo.Name, artistInfo.Metadata.Value.ForeignArtistId);
+
+                // Update list exclusion if one exists
+                var importExclusion = _importListExclusionService.FindByForeignId(artist.Metadata.Value.ForeignArtistId);
+
+                if (importExclusion != null)
+                {
+                    importExclusion.ForeignId = artistInfo.Metadata.Value.ForeignArtistId;
+                    _importListExclusionService.Update(importExclusion);
+                }
+
                 artist.Metadata.Value.ForeignArtistId = artistInfo.Metadata.Value.ForeignArtistId;
             }
 

src/NzbDrone.Core/NzbDrone.Core.csproj

@@ -194,6 +194,7 @@
     <Compile Include="Datastore\Migration\017_remove_nma.cs" />
     <Compile Include="Datastore\Migration\018_album_disambiguation.cs" />
     <Compile Include="Datastore\Migration\019_add_ape_quality_in_profiles.cs" />
+    <Compile Include="Datastore\Migration\027_add_import_exclusions.cs" />
     <Compile Include="Datastore\Migration\021_add_custom_filters.cs" />
     <Compile Include="Datastore\Migration\022_import_list_tags.cs" />
     <Compile Include="Datastore\Migration\023_add_release_groups_etc.cs" />
@@ -545,6 +546,10 @@
     <Compile Include="Http\HttpProxySettingsProvider.cs" />
     <Compile Include="Http\TorcacheHttpInterceptor.cs" />
     <Compile Include="ImportLists\Exceptions\ImportListException.cs" />
+    <Compile Include="ImportLists\Exclusions\ImportListExclusionExistsValidator.cs" />
+    <Compile Include="ImportLists\Exclusions\ImportListExclusionService.cs" />
+    <Compile Include="ImportLists\Exclusions\ImportListExclusionRepository.cs" />
+    <Compile Include="ImportLists\Exclusions\ImportListExclusion.cs" />
     <Compile Include="ImportLists\FetchAndParseImportListService.cs" />
     <Compile Include="ImportLists\HeadphonesImport\HeadphonesImport.cs" />
     <Compile Include="ImportLists\HeadphonesImport\HeadphonesImportApi.cs" />
@@ -1200,6 +1205,7 @@
     <Compile Include="Update\UpdateVerification.cs" />
     <Compile Include="Update\UpdateVerificationFailedException.cs" />
     <Compile Include="Validation\FolderValidator.cs" />
+    <Compile Include="Validation\GuidValidator.cs" />
     <Compile Include="Validation\IpValidation.cs" />
     <Compile Include="Validation\LanguageProfileExistsValidator.cs" />
     <Compile Include="Validation\MetadataProfileExistsValidator.cs" />

src/NzbDrone.Core/Validation/GuidValidator.cs

@@ -0,0 +1,20 @@
+using System;
+using FluentValidation.Validators;
+
+namespace NzbDrone.Core.Validation
+{
+    public class GuidValidator : PropertyValidator
+    {
+        public GuidValidator()
+            : base("String is not a valid Guid")
+        {
+        }
+
+        protected override bool IsValid(PropertyValidatorContext context)
+        {
+            if (context.PropertyValue == null) return false;
+            
+            return Guid.TryParse(context.PropertyValue.ToString(), out Guid guidOutput);
+        }
+    }
+}