fix delete issues and added migrations

Dockerfile

@@ -20,6 +20,7 @@ ENV CONFIG=/config
 ENV DATA=/assets
 ENV UID=998
 ENV PID=100
+ENV GIN_MODE=release
 VOLUME ["/config", "/assets"]
 RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*
 RUN mkdir -p /config; \

client/episodes.html

@@ -71,6 +71,10 @@ hr{
         {{else}}
           {{if not $setting.AutoDownload}}
           <a class="button button-primary" onclick="downloadToDisk('{{.ID}}')" download>Download to Disk</a>
+          {{else}}
+              {{if eq .DownloadStatus 3}}
+              <a class="button button-primary" onclick="downloadToDisk('{{.ID}}')" download>Download to Disk</a>
+              {{end}}
           {{end}}
         {{end }}
     </div>

db/db.go

@@ -35,8 +35,8 @@ func Init() (*gorm.DB, error) {
 
 //Migrate Database
 func Migrate() {
-	DB.AutoMigrate(&Podcast{}, &PodcastItem{}, &Setting{})
+	DB.AutoMigrate(&Podcast{}, &PodcastItem{}, &Setting{}, &Migration{})
-
+	RunMigrations()
 }
 
 // Using this function to get a connection, you can create your connection pool here.

db/dbfunctions.go

@@ -2,7 +2,6 @@ package db
 
 import (
 	"errors"
-	"time"
 
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
@@ -66,12 +65,13 @@ func GetAllPodcastItemsByPodcastId(podcastId string, podcasts *[]PodcastItem) er
 
 func GetAllPodcastItemsToBeDownloaded() (*[]PodcastItem, error) {
 	var podcastItems []PodcastItem
-	result := DB.Debug().Preload(clause.Associations).Where("download_date=?", time.Time{}).Find(&podcastItems)
+	result := DB.Debug().Preload(clause.Associations).Where("download_status=?", NotDownloaded).Find(&podcastItems)
+	//fmt.Println("To be downloaded : " + string(len(podcastItems)))
 	return &podcastItems, result.Error
 }
 func GetAllPodcastItemsAlreadyDownloaded() (*[]PodcastItem, error) {
 	var podcastItems []PodcastItem
-	result := DB.Debug().Preload(clause.Associations).Where("download_date!=?", time.Time{}).Find(&podcastItems)
+	result := DB.Debug().Preload(clause.Associations).Where("download_status=?", Downloaded).Find(&podcastItems)
 	return &podcastItems, result.Error
 }
 

db/migrations.go

@@ -0,0 +1,43 @@
+package db
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type localMigration struct {
+	Name  string
+	Query string
+}
+
+var migrations = []localMigration{
+	{
+		Name:  "2020_11_03_04_42_SetDefaultDownloadStatus",
+		Query: "update podcast_items set download_status=2 where download_path!='' and download_status=0",
+	},
+}
+
+func RunMigrations() {
+	for _, mig := range migrations {
+		ExecuteAndSaveMigration(mig.Name, mig.Query)
+	}
+}
+func ExecuteAndSaveMigration(name string, query string) error {
+	var migration Migration
+	result := DB.Where("name=?", name).First(&migration)
+	if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+		fmt.Println(query)
+		result = DB.Debug().Exec(query)
+		if result.Error == nil {
+			DB.Save(&Migration{
+				Date: time.Now(),
+				Name: name,
+			})
+		}
+		return result.Error
+	}
+	return nil
+}

db/podcast.go

@@ -41,11 +41,26 @@ type PodcastItem struct {
 
 	DownloadDate   time.Time
 	DownloadPath   string
+	DownloadStatus DownloadStatus `gorm:"default:0"`
 }
 
+type DownloadStatus int
+
+const (
+	NotDownloaded DownloadStatus = iota
+	Downloading
+	Downloaded
+	Deleted
+)
+
 type Setting struct {
 	Base
 	DownloadOnAdd        bool `gorm:"default:true"`
 	InitialDownloadCount int  `gorm:"default:5"`
 	AutoDownload         bool `gorm:"default:true"`
 }
+type Migration struct {
+	Base
+	Date time.Time
+	Name string
+}

service/fileService.go

@@ -55,7 +55,7 @@ func changeOwnership(path string) {
 }
 func DeleteFile(filePath string) error {
 	if _, err := os.Stat(filePath); os.IsNotExist(err) {
-		return errors.New("File does not exist")
+		return err
 	}
 	if err := os.Remove(filePath); err != nil {
 		return err

service/podcastService.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"net/http"
+	"os"
 	"strconv"
 	"time"
 
@@ -84,6 +85,7 @@ func AddPodcastItems(podcast *db.Podcast) error {
 				FileURL:        obj.Enclosure.URL,
 				GUID:           obj.Guid.Text,
 				Image:          obj.Image.Href,
+				DownloadStatus: db.NotDownloaded,
 			}
 			db.CreatePodcastItem(&podcastItem)
 		}
@@ -99,10 +101,11 @@ func SetPodcastItemAsDownloaded(id string, location string) error {
 	}
 	podcastItem.DownloadDate = time.Now()
 	podcastItem.DownloadPath = location
+	podcastItem.DownloadStatus = db.Downloaded
 
 	return db.UpdatePodcastItem(&podcastItem)
 }
-func SetPodcastItemAsNotDownloaded(id string) error {
+func SetPodcastItemAsNotDownloaded(id string, downloadStatus db.DownloadStatus) error {
 	var podcastItem db.PodcastItem
 	err := db.GetPodcastItemById(id, &podcastItem)
 	if err != nil {
@@ -110,6 +113,7 @@ func SetPodcastItemAsNotDownloaded(id string) error {
 	}
 	podcastItem.DownloadDate = time.Time{}
 	podcastItem.DownloadPath = ""
+	podcastItem.DownloadStatus = downloadStatus
 
 	return db.UpdatePodcastItem(&podcastItem)
 }
@@ -117,7 +121,7 @@ func SetPodcastItemAsNotDownloaded(id string) error {
 func DownloadMissingEpisodes() error {
 	data, err := db.GetAllPodcastItemsToBeDownloaded()
 
-	//fmt.Println("Processing episodes: ", strconv.Itoa(len(*data)))
+	fmt.Println("Processing episodes: ", strconv.Itoa(len(*data)))
 	if err != nil {
 		return err
 	}
@@ -138,7 +142,7 @@ func CheckMissingFiles() error {
 	for _, item := range *data {
 		fileExists := FileExists(item.DownloadPath)
 		if !fileExists {
-			SetPodcastItemAsNotDownloaded(item.ID)
+			SetPodcastItemAsNotDownloaded(item.ID, db.NotDownloaded)
 		}
 	}
 	return nil
@@ -154,10 +158,12 @@ func DeleteEpisodeFile(podcastItemId string) error {
 	}
 
 	err = DeleteFile(podcastItem.DownloadPath)
-	if err != nil {
+
+	if !os.IsNotExist(err) {
 		return err
 	}
-	return SetPodcastItemAsNotDownloaded(podcastItem.ID)
+	fmt.Println("Setting file as deleted")
+	return SetPodcastItemAsNotDownloaded(podcastItem.ID, db.Deleted)
 }
 func DownloadSingleEpisode(podcastItemId string) error {
 	var podcastItem db.PodcastItem