265 lines
7.2 KiB
Go
265 lines
7.2 KiB
Go
package handlers
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import (
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"net/http"
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"strconv"
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"github.com/gin-gonic/gin"
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"github.com/rss2/backend/internal/db"
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"github.com/rss2/backend/internal/models"
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"github.com/rss2/backend/internal/services"
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)
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func SearchNews(c *gin.Context) {
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query := c.Query("q")
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page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
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perPage, _ := strconv.Atoi(c.DefaultQuery("per_page", "30"))
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lang := c.DefaultQuery("lang", "")
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categoriaID := c.Query("categoria_id")
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paisID := c.Query("pais_id")
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useSemantic := c.Query("semantic") == "true"
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if query == "" && categoriaID == "" && paisID == "" && lang == "" {
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c.JSON(http.StatusBadRequest, models.ErrorResponse{Error: "At least one filter is required (q, categoria_id, pais_id, or lang)"})
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return
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}
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if page < 1 {
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page = 1
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}
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if perPage < 1 || perPage > 100 {
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perPage = 30
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}
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// Default to Spanish if no lang specified
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if lang == "" {
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lang = "es"
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}
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ctx := c.Request.Context()
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if useSemantic {
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results, err := services.SemanticSearch(ctx, query, lang, page, perPage)
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if err != nil {
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c.JSON(http.StatusInternalServerError, models.ErrorResponse{Error: "Semantic search failed", Message: err.Error()})
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return
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}
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c.JSON(http.StatusOK, results)
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return
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}
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offset := (page - 1) * perPage
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// Build dynamic query
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args := []interface{}{}
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argNum := 1
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whereClause := "WHERE 1=1"
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if query != "" {
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whereClause += " AND (n.titulo ILIKE $" + strconv.Itoa(argNum) + " OR n.resumen ILIKE $" + strconv.Itoa(argNum) + " OR n.contenido ILIKE $" + strconv.Itoa(argNum) + ")"
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args = append(args, "%"+query+"%")
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argNum++
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}
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if lang != "" {
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whereClause += " AND t.lang_to = $" + strconv.Itoa(argNum)
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args = append(args, lang)
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argNum++
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}
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if categoriaID != "" {
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whereClause += " AND n.categoria_id = $" + strconv.Itoa(argNum)
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catID, err := strconv.ParseInt(categoriaID, 10, 64)
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if err == nil {
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args = append(args, catID)
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argNum++
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}
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}
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if paisID != "" {
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whereClause += " AND n.pais_id = $" + strconv.Itoa(argNum)
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pID, err := strconv.ParseInt(paisID, 10, 64)
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if err == nil {
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args = append(args, pID)
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argNum++
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}
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}
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args = append(args, perPage, offset)
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sqlQuery := `
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SELECT n.id, n.titulo, n.resumen, n.contenido, n.url, n.imagen,
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n.feed_id, n.lang, n.categoria_id, n.pais_id, n.created_at, n.updated_at,
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COALESCE(t.titulo_trad, '') as titulo_trad,
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COALESCE(t.resumen_trad, '') as resumen_trad,
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t.lang_to as lang_trad,
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f.nombre as fuente_nombre
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FROM noticias n
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LEFT JOIN traducciones t ON t.noticia_id = n.id AND t.lang_to = $` + strconv.Itoa(argNum) + `
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LEFT JOIN feeds f ON f.id = n.feed_id
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` + whereClause + `
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ORDER BY n.created_at DESC
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LIMIT $` + strconv.Itoa(argNum+1) + ` OFFSET $` + strconv.Itoa(argNum+2)
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rows, err := db.GetPool().Query(ctx, sqlQuery, args...)
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if err != nil {
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c.JSON(http.StatusInternalServerError, models.ErrorResponse{Error: "Search failed", Message: err.Error()})
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return
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}
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defer rows.Close()
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var newsList []models.NewsWithTranslations
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for rows.Next() {
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var n models.NewsWithTranslations
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var imagen *string
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err := rows.Scan(
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&n.ID, &n.Title, &n.Summary, &n.Content, &n.URL, &imagen,
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&n.FeedID, &n.Lang, &n.CategoryID, &n.CountryID, &n.CreatedAt, &n.UpdatedAt,
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&n.TitleTranslated, &n.SummaryTranslated, &n.LangTranslated,
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)
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if err != nil {
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continue
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}
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if imagen != nil {
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n.ImageURL = imagen
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}
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newsList = append(newsList, n)
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}
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// Get total count
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countArgs := args[:len(args)-2]
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// Remove LIMIT/OFFSET from args for count
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var total int
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err = db.GetPool().QueryRow(ctx, `
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SELECT COUNT(*) FROM noticias n
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LEFT JOIN traducciones t ON t.noticia_id = n.id AND t.lang_to = $`+strconv.Itoa(argNum)+`
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`+whereClause, countArgs...).Scan(&total)
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if err != nil {
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total = len(newsList)
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}
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totalPages := (total + perPage - 1) / perPage
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response := models.NewsListResponse{
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News: newsList,
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Total: total,
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Page: page,
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PerPage: perPage,
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TotalPages: totalPages,
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}
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c.JSON(http.StatusOK, response)
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}
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func GetStats(c *gin.Context) {
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var stats models.Stats
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err := db.GetPool().QueryRow(c.Request.Context(), `
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SELECT
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(SELECT COUNT(*) FROM noticias) as total_news,
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(SELECT COUNT(*) FROM feeds WHERE activo = true) as total_feeds,
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(SELECT COUNT(*) FROM users) as total_users,
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(SELECT COUNT(*) FROM noticias WHERE fecha::date = CURRENT_DATE) as news_today,
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(SELECT COUNT(*) FROM noticias WHERE fecha >= DATE_TRUNC('week', CURRENT_DATE)) as news_this_week,
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(SELECT COUNT(*) FROM noticias WHERE fecha >= DATE_TRUNC('month', CURRENT_DATE)) as news_this_month,
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(SELECT COUNT(DISTINCT noticia_id) FROM traducciones WHERE status = 'done') as total_translated
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`).Scan(
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&stats.TotalNews, &stats.TotalFeeds, &stats.TotalUsers,
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&stats.NewsToday, &stats.NewsThisWeek, &stats.NewsThisMonth,
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&stats.TotalTranslated,
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)
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if err != nil {
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c.JSON(http.StatusInternalServerError, models.ErrorResponse{Error: "Failed to get stats", Message: err.Error()})
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return
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}
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rows, err := db.GetPool().Query(c.Request.Context(), `
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SELECT c.id, c.nombre, COUNT(n.id) as count
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FROM categorias c
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LEFT JOIN noticias n ON n.categoria_id = c.id
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GROUP BY c.id, c.nombre
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ORDER BY count DESC
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LIMIT 10
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`)
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if err == nil {
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defer rows.Close()
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for rows.Next() {
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var cs models.CategoryStat
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rows.Scan(&cs.CategoryID, &cs.CategoryName, &cs.Count)
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stats.TopCategories = append(stats.TopCategories, cs)
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}
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}
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rows, err = db.GetPool().Query(c.Request.Context(), `
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SELECT p.id, p.nombre, p.flag_emoji, COUNT(n.id) as count
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FROM paises p
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LEFT JOIN noticias n ON n.pais_id = p.id
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GROUP BY p.id, p.nombre, p.flag_emoji
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ORDER BY count DESC
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LIMIT 10
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`)
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if err == nil {
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defer rows.Close()
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for rows.Next() {
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var cs models.CountryStat
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rows.Scan(&cs.CountryID, &cs.CountryName, &cs.FlagEmoji, &cs.Count)
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stats.TopCountries = append(stats.TopCountries, cs)
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}
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}
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c.JSON(http.StatusOK, stats)
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}
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func GetCategories(c *gin.Context) {
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rows, err := db.GetPool().Query(c.Request.Context(), `
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SELECT id, nombre FROM categorias ORDER BY nombre`)
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if err != nil {
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c.JSON(http.StatusInternalServerError, models.ErrorResponse{Error: "Failed to get categories", Message: err.Error()})
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return
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}
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defer rows.Close()
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type Category struct {
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ID int64 `json:"id"`
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Nombre string `json:"nombre"`
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}
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var categories []Category
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for rows.Next() {
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var cat Category
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rows.Scan(&cat.ID, &cat.Nombre)
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categories = append(categories, cat)
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}
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c.JSON(http.StatusOK, categories)
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}
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func GetCountries(c *gin.Context) {
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rows, err := db.GetPool().Query(c.Request.Context(), `
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SELECT p.id, p.nombre, c.nombre as continente
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FROM paises p
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LEFT JOIN continentes c ON c.id = p.continente_id
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ORDER BY p.nombre`)
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if err != nil {
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c.JSON(http.StatusInternalServerError, models.ErrorResponse{Error: "Failed to get countries", Message: err.Error()})
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return
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}
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defer rows.Close()
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type Country struct {
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ID int64 `json:"id"`
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Nombre string `json:"nombre"`
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Continente string `json:"continente"`
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}
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var countries []Country
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for rows.Next() {
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var country Country
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rows.Scan(&country.ID, &country.Nombre, &country.Continente)
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countries = append(countries, country)
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}
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c.JSON(http.StatusOK, countries)
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}
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