⬆️ Upgrade to support the latest version Hydrogen Project standard
This commit is contained in:
337
pkg/internal/services/posts.go
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337
pkg/internal/services/posts.go
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@@ -0,0 +1,337 @@
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package services
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import (
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"errors"
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"fmt"
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"time"
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"git.solsynth.dev/hydrogen/interactive/pkg/internal/database"
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"git.solsynth.dev/hydrogen/interactive/pkg/internal/models"
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"git.solsynth.dev/hydrogen/passport/pkg/proto"
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"github.com/rs/zerolog/log"
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"github.com/samber/lo"
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"github.com/spf13/viper"
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"gorm.io/gorm"
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)
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func FilterPostWithCategory(tx *gorm.DB, alias string) *gorm.DB {
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return tx.Joins("JOIN post_categories ON posts.id = post_categories.post_id").
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Joins("JOIN post_categories ON post_categories.id = post_categories.category_id").
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Where("post_categories.alias = ?", alias)
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}
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func FilterPostWithTag(tx *gorm.DB, alias string) *gorm.DB {
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return tx.Joins("JOIN post_tags ON posts.id = post_tags.post_id").
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Joins("JOIN post_tags ON post_tags.id = post_tags.category_id").
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Where("post_tags.alias = ?", alias)
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}
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func FilterWithRealm(tx *gorm.DB, id uint) *gorm.DB {
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if id > 0 {
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return tx.Where("realm_id = ?", id)
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} else {
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return tx.Where("realm_id IS NULL")
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}
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}
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func FilterPostReply(tx *gorm.DB, replyTo ...uint) *gorm.DB {
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if len(replyTo) > 0 && replyTo[0] > 0 {
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return tx.Where("reply_id = ?", replyTo[0])
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} else {
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return tx.Where("reply_id IS NULL")
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}
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}
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func FilterPostWithPublishedAt(tx *gorm.DB, date time.Time) *gorm.DB {
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return tx.Where("published_at <= ? OR published_at IS NULL", date)
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}
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func GetPostWithAlias(alias string, ignoreLimitation ...bool) (models.Post, error) {
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tx := database.C
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if len(ignoreLimitation) == 0 || !ignoreLimitation[0] {
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tx = FilterPostWithPublishedAt(tx, time.Now())
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}
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var item models.Post
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if err := tx.
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Where("alias = ?", alias).
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Preload("Author").
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Preload("ReplyTo").
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Preload("ReplyTo.Author").
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Preload("RepostTo").
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Preload("RepostTo.Author").
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First(&item).Error; err != nil {
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return item, err
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}
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return item, nil
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}
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func GetPost(id uint, ignoreLimitation ...bool) (models.Post, error) {
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tx := database.C
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if len(ignoreLimitation) == 0 || !ignoreLimitation[0] {
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tx = FilterPostWithPublishedAt(tx, time.Now())
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}
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var item models.Post
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if err := tx.
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Where("id = ?", id).
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Preload("Author").
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Preload("ReplyTo").
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Preload("ReplyTo.Author").
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Preload("RepostTo").
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Preload("RepostTo.Author").
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First(&item).Error; err != nil {
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return item, err
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}
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return item, nil
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}
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func CountPost(tx *gorm.DB) (int64, error) {
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var count int64
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if err := tx.Model(&models.Post{}).Count(&count).Error; err != nil {
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return count, err
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}
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return count, nil
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}
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func CountPostReply(id uint) int64 {
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var count int64
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if err := database.C.Model(&models.Post{}).
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Where("reply_id = ?", id).
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Count(&count).Error; err != nil {
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return 0
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}
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return count
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}
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func CountPostReactions(id uint) int64 {
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var count int64
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if err := database.C.Model(&models.Reaction{}).
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Where("post_id = ?", id).
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Count(&count).Error; err != nil {
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return 0
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}
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return count
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}
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func ListPostReactions(id uint) (map[string]int64, error) {
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var reactions []struct {
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Symbol string
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Count int64
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}
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if err := database.C.Model(&models.Reaction{}).
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Select("symbol, COUNT(id) as count").
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Where("post_id = ?", id).
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Group("symbol").
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Scan(&reactions).Error; err != nil {
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return map[string]int64{}, err
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}
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return lo.SliceToMap(reactions, func(item struct {
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Symbol string
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Count int64
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},
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) (string, int64) {
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return item.Symbol, item.Count
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}), nil
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}
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func ListPost(tx *gorm.DB, take int, offset int, noReact ...bool) ([]*models.Post, error) {
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if take > 20 {
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take = 20
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}
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var items []*models.Post
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if err := tx.
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Limit(take).Offset(offset).
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Order("created_at DESC").
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Preload("Author").
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Preload("ReplyTo").
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Preload("ReplyTo.Author").
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Preload("RepostTo").
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Preload("RepostTo.Author").
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Find(&items).Error; err != nil {
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return items, err
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}
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idx := lo.Map(items, func(item *models.Post, index int) uint {
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return item.ID
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})
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if len(noReact) <= 0 || !noReact[0] {
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var reactions []struct {
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PostID uint
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Symbol string
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Count int64
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}
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if err := database.C.Model(&models.Reaction{}).
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Select("post_id, symbol, COUNT(id) as count").
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Where("post_id IN (?)", idx).
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Group("post_id, symbol").
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Scan(&reactions).Error; err != nil {
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return items, err
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}
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itemMap := lo.SliceToMap(items, func(item *models.Post) (uint, *models.Post) {
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return item.ID, item
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})
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list := map[uint]map[string]int64{}
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for _, info := range reactions {
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if _, ok := list[info.PostID]; !ok {
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list[info.PostID] = make(map[string]int64)
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}
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list[info.PostID][info.Symbol] = info.Count
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}
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for k, v := range list {
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if post, ok := itemMap[k]; ok {
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post.ReactionList = v
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}
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}
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}
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if len(noReact) <= 0 || !noReact[0] {
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var replies []struct {
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PostID uint
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Count int64
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}
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if err := database.C.Model(&models.Post{}).
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Select("id as post_id, COUNT(id) as count").
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Where("reply_id IN (?)", idx).
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Group("post_id").
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Scan(&replies).Error; err != nil {
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return items, err
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}
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itemMap := lo.SliceToMap(items, func(item *models.Post) (uint, *models.Post) {
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return item.ID, item
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})
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list := map[uint]int64{}
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for _, info := range replies {
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list[info.PostID] = info.Count
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}
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for k, v := range list {
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if post, ok := itemMap[k]; ok {
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post.ReplyCount = v
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}
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}
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}
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return items, nil
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}
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func InitPostCategoriesAndTags(item models.Post) (models.Post, error) {
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var err error
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for idx, category := range item.Categories {
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item.Categories[idx], err = GetCategory(category.Alias)
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if err != nil {
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return item, err
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}
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}
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for idx, tag := range item.Tags {
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item.Tags[idx], err = GetTagOrCreate(tag.Alias, tag.Name)
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if err != nil {
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return item, err
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}
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}
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return item, nil
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}
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func NewPost(user models.Account, item models.Post) (models.Post, error) {
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item, err := InitPostCategoriesAndTags(item)
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if err != nil {
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return item, err
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}
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if item.RealmID != nil {
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_, err := GetRealmMember(*item.RealmID, user.ExternalID)
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if err != nil {
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return item, fmt.Errorf("you aren't a part of that realm: %v", err)
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}
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}
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if err := database.C.Save(&item).Error; err != nil {
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return item, err
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}
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// Notify the original poster its post has been replied
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if item.ReplyID != nil {
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var op models.Post
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if err := database.C.
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Where("id = ?", item.ReplyID).
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Preload("Author").
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First(&op).Error; err == nil {
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if op.Author.ID != user.ID {
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postUrl := fmt.Sprintf("https://%s/posts/%s", viper.GetString("domain"), item.Alias)
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err := NotifyPosterAccount(
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op.Author,
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fmt.Sprintf("%s replied you", user.Nick),
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fmt.Sprintf("%s (%s) replied your post #%s.", user.Nick, user.Name, op.Alias),
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&proto.NotifyLink{Label: "Related post", Url: postUrl},
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)
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if err != nil {
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log.Error().Err(err).Msg("An error occurred when notifying user...")
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}
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}
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}
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}
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return item, nil
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}
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func EditPost(item models.Post) (models.Post, error) {
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item, err := InitPostCategoriesAndTags(item)
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if err != nil {
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return item, err
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}
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err = database.C.Save(&item).Error
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return item, err
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}
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func DeletePost(item models.Post) error {
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return database.C.Delete(&item).Error
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}
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func ReactPost(user models.Account, reaction models.Reaction) (bool, models.Reaction, error) {
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if err := database.C.Where(reaction).First(&reaction).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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var op models.Post
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if err := database.C.
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Where("id = ?", reaction.PostID).
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Preload("Author").
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First(&op).Error; err == nil {
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if op.Author.ID != user.ID {
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postUrl := fmt.Sprintf("https://%s/posts/%s", viper.GetString("domain"), op.Alias)
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err := NotifyPosterAccount(
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op.Author,
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fmt.Sprintf("%s reacted your post", user.Nick),
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fmt.Sprintf("%s (%s) reacted your post a %s", user.Nick, user.Name, reaction.Symbol),
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&proto.NotifyLink{Label: "Related post", Url: postUrl},
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)
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if err != nil {
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log.Error().Err(err).Msg("An error occurred when notifying user...")
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}
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}
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}
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return true, reaction, database.C.Save(&reaction).Error
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} else {
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return true, reaction, err
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}
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} else {
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return false, reaction, database.C.Delete(&reaction).Error
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}
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}
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