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podgrab/db/dbfunctions.go

436 lines
12 KiB

package db
import (
"database/sql"
"errors"
"fmt"
"strconv"
"strings"
"time"
"github.com/akhilrex/podgrab/model"
"gorm.io/gorm"
"gorm.io/gorm/clause"
)
func GetPodcastByURL(url string, podcast *Podcast) error {
result := DB.Preload(clause.Associations).Where(&Podcast{URL: url}).First(&podcast)
return result.Error
}
func GetPodcastsByURLList(urls []string, podcasts *[]Podcast) error {
result := DB.Preload(clause.Associations).Where("url in ?", urls).First(&podcasts)
return result.Error
}
func GetAllPodcasts(podcasts *[]Podcast, sorting string) error {
if sorting == "" {
sorting = "created_at"
}
result := DB.Preload("Tags").Order(sorting).Find(&podcasts)
return result.Error
}
func GetAllPodcastItems(podcasts *[]PodcastItem) error {
result := DB.Preload("Podcast").Order("pub_date desc").Find(&podcasts)
return result.Error
}
func GetAllPodcastItemsWithoutSize() (*[]PodcastItem, error) {
var podcasts []PodcastItem
result := DB.Where("file_size<=?", 0).Order("pub_date desc").Find(&podcasts)
return &podcasts, result.Error
}
func getSortOrder(sorting model.EpisodeSort) string {
switch sorting {
case model.RELEASE_ASC:
return "pub_date asc"
case model.RELEASE_DESC:
return "pub_date desc"
case model.DURATION_ASC:
return "duration asc"
case model.DURATION_DESC:
return "duration desc"
default:
return "pub_date desc"
}
}
func GetPaginatedPodcastItemsNew(queryModel model.EpisodesFilter) (*[]PodcastItem, int64, error) {
var podcasts []PodcastItem
var total int64
query := DB.Debug().Preload("Podcast")
if queryModel.IsDownloaded != nil {
isDownloaded, err := strconv.ParseBool(*queryModel.IsDownloaded)
if err == nil {
if isDownloaded {
query = query.Where("download_status=?", Downloaded)
} else {
query = query.Where("download_status!=?", Downloaded)
}
}
}
if queryModel.IsPlayed != nil {
isPlayed, err := strconv.ParseBool(*queryModel.IsPlayed)
if err == nil {
if isPlayed {
query = query.Where("is_played=?", 1)
} else {
query = query.Where("is_played=?", 0)
}
}
}
if queryModel.Q != "" {
query = query.Where("UPPER(title) like ?", "%"+strings.TrimSpace(strings.ToUpper(queryModel.Q))+"%")
}
if len(queryModel.TagIds) > 0 {
query = query.Where("podcast_id in (select podcast_id from podcast_tags where tag_id in ?)", queryModel.TagIds)
}
if len(queryModel.PodcastIds) > 0 {
query = query.Where("podcast_id in ?", queryModel.PodcastIds)
}
totalsQuery := query.Order(getSortOrder(queryModel.Sorting)).Find(&podcasts)
totalsQuery.Count(&total)
result := query.Limit(queryModel.Count).Offset((queryModel.Page - 1) * queryModel.Count).Order("pub_date desc").Find(&podcasts)
return &podcasts, total, result.Error
}
func GetPaginatedPodcastItems(page int, count int, downloadedOnly *bool, playedOnly *bool, fromDate time.Time, podcasts *[]PodcastItem, total *int64) error {
query := DB.Preload("Podcast")
if downloadedOnly != nil {
if *downloadedOnly {
query = query.Where("download_status=?", Downloaded)
} else {
query = query.Where("download_status!=?", Downloaded)
}
}
if playedOnly != nil {
if *playedOnly {
query = query.Where("is_played=?", 1)
} else {
query = query.Where("is_played=?", 0)
}
}
if (fromDate != time.Time{}) {
query = query.Where("pub_date>=?", fromDate)
}
totalsQuery := query.Order("pub_date desc").Find(&podcasts)
totalsQuery.Count(total)
result := query.Limit(count).Offset((page - 1) * count).Order("pub_date desc").Find(&podcasts)
return result.Error
}
func GetPaginatedTags(page int, count int, tags *[]Tag, total *int64) error {
query := DB.Preload("Podcasts")
result := query.Limit(count).Offset((page - 1) * count).Order("created_at desc").Find(&tags)
query.Count(total)
return result.Error
}
func GetPodcastById(id string, podcast *Podcast) error {
result := DB.Preload("PodcastItems", func(db *gorm.DB) *gorm.DB {
return db.Order("podcast_items.pub_date DESC")
}).First(&podcast, "id=?", id)
return result.Error
}
func GetPodcastItemById(id string, podcastItem *PodcastItem) error {
result := DB.Preload(clause.Associations).First(&podcastItem, "id=?", id)
return result.Error
}
func DeletePodcastItemById(id string) error {
result := DB.Where("id=?", id).Delete(&PodcastItem{})
return result.Error
}
func DeletePodcastById(id string) error {
result := DB.Where("id=?", id).Delete(&Podcast{})
return result.Error
}
func DeleteTagById(id string) error {
result := DB.Where("id=?", id).Delete(&Tag{})
return result.Error
}
func GetAllPodcastItemsByPodcastId(podcastId string, podcastItems *[]PodcastItem) error {
result := DB.Preload(clause.Associations).Where(&PodcastItem{PodcastID: podcastId}).Find(&podcastItems)
return result.Error
}
func GetAllPodcastItemsByPodcastIds(podcastIds []string, podcastItems *[]PodcastItem) error {
result := DB.Preload(clause.Associations).Where("podcast_id in ?", podcastIds).Order("pub_date desc").Find(&podcastItems)
return result.Error
}
func GetAllPodcastItemsByIds(podcastItemIds []string) (*[]PodcastItem, error) {
var podcastItems []PodcastItem
var sb strings.Builder
sb.WriteString("\n CASE ID \n")
for i, v := range podcastItemIds {
sb.WriteString(fmt.Sprintf("WHEN '%v' THEN %v \n", v, i+1))
}
sb.WriteString(fmt.Sprintln("END"))
result := DB.Debug().Preload(clause.Associations).Where("id in ?", podcastItemIds).Order(sb.String()).Find(&podcastItems)
return &podcastItems, result.Error
}
func SetAllEpisodesToDownload(podcastId string) error {
result := DB.Model(PodcastItem{}).Where(&PodcastItem{PodcastID: podcastId, DownloadStatus: Deleted}).Update("download_status", NotDownloaded)
return result.Error
}
func UpdateLastEpisodeDateForPodcast(podcastId string, lastEpisode time.Time) error {
result := DB.Model(Podcast{}).Where("id=?", podcastId).Update("last_episode", lastEpisode)
return result.Error
}
func UpdatePodcastItemFileSize(podcastItemId string, size int64) error {
result := DB.Model(PodcastItem{}).Where("id=?", podcastItemId).Update("file_size", size)
return result.Error
}
func GetAllPodcastItemsWithoutImage() (*[]PodcastItem, error) {
var podcastItems []PodcastItem
result := DB.Preload(clause.Associations).Where("local_image is ?", nil).Where("image != ?", "").Where("download_status=?", Downloaded).Order("created_at desc").Find(&podcastItems)
//fmt.Println("To be downloaded : " + string(len(podcastItems)))
return &podcastItems, result.Error
}
func GetAllPodcastItemsToBeDownloaded() (*[]PodcastItem, error) {
var podcastItems []PodcastItem
result := DB.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.Preload(clause.Associations).Where("download_status=?", Downloaded).Find(&podcastItems)
return &podcastItems, result.Error
}
func GetPodcastEpisodeStats() (*[]PodcastItemStatsModel, error) {
var stats []PodcastItemStatsModel
result := DB.Model(&PodcastItem{}).Select("download_status,podcast_id, count(1) as count,sum(file_size) as size").Group("podcast_id,download_status").Find(&stats)
return &stats, result.Error
}
func GetPodcastEpisodeDiskStats() (PodcastItemConsolidateDiskStatsModel, error) {
var stats []PodcastItemDiskStatsModel
result := DB.Model(&PodcastItem{}).Select("download_status,count(1) as count,sum(file_size) as size").Group("download_status").Find(&stats)
dict := make(map[DownloadStatus]int64)
for _, stat := range stats {
dict[stat.DownloadStatus] = stat.Size
}
toReturn := PodcastItemConsolidateDiskStatsModel{
Downloaded: dict[Downloaded],
Downloading: dict[Downloading],
Deleted: dict[Deleted],
NotDownloaded: dict[NotDownloaded],
PendingDownload: dict[NotDownloaded] + dict[Downloading],
}
return toReturn, result.Error
}
func GetEpisodeNumber(podcastItemId, podcastId string) (int, error) {
var id string
var sequence int
row := DB.Raw(`;With cte as(
SELECT
id,
RANK() OVER (ORDER BY pub_date) as sequence
FROM
podcast_items
WHERE
podcast_id=?
)
select *
from cte
where id = ?
`, podcastId, podcastItemId).Row()
error := row.Scan(&id, &sequence)
return sequence, error
}
func ForceSetLastEpisodeDate(podcastId string) {
DB.Exec("update podcasts set last_episode = (select max(pi.pub_date) from podcast_items pi where pi.podcast_id = @id) where id = @id", sql.Named("id", podcastId))
}
func TogglePodcastPauseStatus(podcastId string, isPaused bool) error {
tx := DB.Debug().Exec("update podcasts set is_paused = @isPaused where id = @id", sql.Named("id", podcastId), sql.Named("isPaused", isPaused))
return tx.Error
}
func GetPodcastItemsByPodcastIdAndGUIDs(podcastId string, guids []string) (*[]PodcastItem, error) {
var podcastItems []PodcastItem
result := DB.Preload(clause.Associations).Where(&PodcastItem{PodcastID: podcastId}).Where("guid IN ?", guids).Find(&podcastItems)
return &podcastItems, result.Error
}
func GetPodcastItemByPodcastIdAndGUID(podcastId string, guid string, podcastItem *PodcastItem) error {
result := DB.Preload(clause.Associations).Where(&PodcastItem{PodcastID: podcastId, GUID: guid}).First(&podcastItem)
return result.Error
}
func GetPodcastByTitleAndAuthor(title string, author string, podcast *Podcast) error {
result := DB.Preload(clause.Associations).Where(&Podcast{Title: title, Author: author}).First(&podcast)
return result.Error
}
func CreatePodcast(podcast *Podcast) error {
tx := DB.Create(&podcast)
return tx.Error
}
func CreatePodcastItem(podcastItem *PodcastItem) error {
tx := DB.Omit("Podcast").Create(&podcastItem)
return tx.Error
}
func UpdatePodcast(podcast *Podcast) error {
tx := DB.Save(&podcast)
return tx.Error
}
func UpdatePodcastItem(podcastItem *PodcastItem) error {
tx := DB.Omit("Podcast").Save(&podcastItem)
return tx.Error
}
func UpdateSettings(setting *Setting) error {
tx := DB.Save(&setting)
return tx.Error
}
func GetOrCreateSetting() *Setting {
var setting Setting
result := DB.First(&setting)
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
DB.Save(&Setting{})
DB.First(&setting)
}
return &setting
}
func GetLock(name string) *JobLock {
var jobLock JobLock
result := DB.Where("name = ?", name).First(&jobLock)
if errors.Is(result.Error, gorm.ErrRecordNotFound) {
return &JobLock{
Name: name,
}
}
return &jobLock
}
func Lock(name string, duration int) {
jobLock := GetLock(name)
if jobLock == nil {
jobLock = &JobLock{
Name: name,
}
}
jobLock.Duration = duration
jobLock.Date = time.Now()
if jobLock.ID == "" {
DB.Create(&jobLock)
} else {
DB.Save(&jobLock)
}
}
func Unlock(name string) {
jobLock := GetLock(name)
if jobLock == nil {
return
}
jobLock.Duration = 0
jobLock.Date = time.Time{}
DB.Save(&jobLock)
}
func UnlockMissedJobs() {
var jobLocks []JobLock
result := DB.Find(&jobLocks)
if result.Error != nil {
return
}
for _, job := range jobLocks {
if (job.Date == time.Time{}) {
continue
}
var duration time.Duration
duration = time.Duration(job.Duration)
d := job.Date.Add(time.Minute * duration)
if d.Before(time.Now()) {
fmt.Println(job.Name + " is unlocked")
Unlock(job.Name)
}
}
}
func GetAllTags(sorting string) (*[]Tag, error) {
var tags []Tag
if sorting == "" {
sorting = "created_at"
}
result := DB.Preload(clause.Associations).Order(sorting).Find(&tags)
return &tags, result.Error
}
func GetTagById(id string) (*Tag, error) {
var tag Tag
result := DB.Preload(clause.Associations).
First(&tag, "id=?", id)
return &tag, result.Error
}
func GetTagsByIds(ids []string) (*[]Tag, error) {
var tag []Tag
result := DB.Preload(clause.Associations).Where("id in ?", ids).Find(&tag)
return &tag, result.Error
}
func GetTagByLabel(label string) (*Tag, error) {
var tag Tag
result := DB.Preload(clause.Associations).
First(&tag, "label=?", label)
return &tag, result.Error
}
func CreateTag(tag *Tag) error {
tx := DB.Omit("Podcasts").Create(&tag)
return tx.Error
}
func UpdateTag(tag *Tag) error {
tx := DB.Omit("Podcast").Save(&tag)
return tx.Error
}
func AddTagToPodcast(id, tagId string) error {
tx := DB.Exec("INSERT INTO `podcast_tags` (`podcast_id`,`tag_id`) VALUES (?,?) ON CONFLICT DO NOTHING", id, tagId)
return tx.Error
}
func RemoveTagFromPodcast(id, tagId string) error {
tx := DB.Exec("DELETE FROM `podcast_tags` WHERE `podcast_id`=? AND `tag_id`=?", id, tagId)
return tx.Error
}
func UntagAllByTagId(tagId string) error {
tx := DB.Exec("DELETE FROM `podcast_tags` WHERE `tag_id`=?", tagId)
return tx.Error
}