88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
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package server
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import "C"
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import (
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"code.smartsheep.studio/hydrogen/interactive/pkg/database"
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"code.smartsheep.studio/hydrogen/interactive/pkg/models"
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"fmt"
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"github.com/gofiber/fiber/v2"
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"github.com/spf13/viper"
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)
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type FeedItem struct {
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models.BaseModel
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Title string `json:"title"`
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Description string `json:"description"`
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Content string `json:"content"`
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ModelType string `json:"model_type"`
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CommentCount int64 `json:"comment_count"`
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ReactionCount int64 `json:"reaction_count"`
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AuthorID uint `json:"author_id"`
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RealmID *uint `json:"realm_id"`
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Author models.Account `json:"author" gorm:"embedded"`
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}
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const (
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queryArticle = "id, created_at, updated_at, title, content, description, realm_id, author_id, 'article' as model_type"
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queryMoment = "id, created_at, updated_at, NULL as title, content, NULL as description, realm_id, author_id, 'moment' as model_type"
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)
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func listFeed(c *fiber.Ctx) error {
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take := c.QueryInt("take", 0)
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offset := c.QueryInt("offset", 0)
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realmId := c.QueryInt("realmId", 0)
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if take > 20 {
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take = 20
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}
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var whereCondition string
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if realmId > 0 {
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whereCondition += fmt.Sprintf("feed.realm_id = %d", realmId)
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} else {
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whereCondition += "feed.realm_id IS NULL"
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}
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var author models.Account
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if len(c.Query("authorId")) > 0 {
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if err := database.C.Where(&models.Account{Name: c.Query("authorId")}).First(&author).Error; err != nil {
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return fiber.NewError(fiber.StatusNotFound, err.Error())
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} else {
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whereCondition += fmt.Sprintf("AND feed.author_id = %d", author.ID)
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}
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}
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var result []FeedItem
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userTable := viper.GetString("database.prefix") + "accounts"
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commentTable := viper.GetString("database.prefix") + "comments"
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reactionTable := viper.GetString("database.prefix") + "reactions"
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database.C.Raw(fmt.Sprintf(`SELECT feed.*, author.*,
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COALESCE(comment_count, 0) as comment_count,
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COALESCE(reaction_count, 0) as reaction_count
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FROM (? UNION ALL ?) as feed
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INNER JOIN %s as author ON author_id = author.id
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LEFT JOIN (SELECT article_id, moment_id, COUNT(*) as comment_count
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FROM %s
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GROUP BY article_id, moment_id) as comments
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ON (feed.model_type = 'article' AND feed.id = comments.article_id) OR
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(feed.model_type = 'moment' AND feed.id = comments.moment_id)
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LEFT JOIN (SELECT article_id, moment_id, COUNT(*) as reaction_count
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FROM %s
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GROUP BY article_id, moment_id) as reactions
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ON (feed.model_type = 'article' AND feed.id = reactions.article_id) OR
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(feed.model_type = 'moment' AND feed.id = reactions.moment_id)
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WHERE %s LIMIT ? OFFSET ?`, userTable, commentTable, reactionTable, whereCondition),
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database.C.Select(queryArticle).Model(&models.Article{}),
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database.C.Select(queryMoment).Model(&models.Moment{}),
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take,
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offset,
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).Scan(&result)
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return c.JSON(result)
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}
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