From f236dea4fdf41219237e40882dd9e94058dee000 Mon Sep 17 00:00:00 2001
From: Shuhrat Tultaganov <itgoodjop@gmail.com>
Date: Thu, 23 Feb 2023 18:58:34 +0300
Subject: [PATCH] Add sort by genres

---
 internal/bd/filmsrepo.go             | 29 +++++++++++++++++++++++++---
 internal/bd/scanerTable/scanTable.go |  5 +++++
 internal/restserver/filmhandle.go    | 16 +++++++++++++++
 3 files changed, 47 insertions(+), 3 deletions(-)
 create mode 100644 internal/bd/scanerTable/scanTable.go

diff --git a/internal/bd/filmsrepo.go b/internal/bd/filmsrepo.go
index cf8bd67..9ee4513 100644
--- a/internal/bd/filmsrepo.go
+++ b/internal/bd/filmsrepo.go
@@ -31,6 +31,7 @@ func (f *Filmsrepo) FindByAll() (*[]model.Films, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer rows.Close()
 
 	for rows.Next() {
 		var buff model.Films
@@ -57,7 +58,7 @@ func (f *Filmsrepo) GetCountFilms() (*int, error) {
 	if err != nil {
 		return nil, err
 	}
-
+	defer rows.Close()
 	for rows.Next() {
 		rows.Scan(&count)
 	}
@@ -72,6 +73,7 @@ func (f *Filmsrepo) FindById(id string) (*model.Films, error) {
 
 		return nil, err
 	}
+	defer rows.Close()
 	for rows.Next() {
 		rows.Scan(&buff.Id, &buff.Ru_title, &buff.Orig_title, &buff.Imdb_id, &buff.Kinopoisk_id,
 			&buff.PosterUrl, &buff.PosterUrlPreview, &buff.Countries, &buff.Genres, &buff.Year,
@@ -89,21 +91,42 @@ func (f *Filmsrepo) FindById(id string) (*model.Films, error) {
 
 func (f *Filmsrepo) FindByName(name string) (*[]model.Films, error) {
 	var films []model.Films
-	rows, err := f.db.db.Query(context.Background(), "SELECT * FROM films WHERE ru_title LIKE '%"+name+"%'")
+	rows, err := f.db.db.Query(context.Background(), "SELECT * FROM films WHERE ru_title LIKE $1;", "%"+name+"%")
 	if err != nil {
 		return nil, err
 	}
 
+	defer rows.Close()
 	for rows.Next() {
 		var film model.Films
-		rows.Scan(&film.Id, &film.Ru_title, &film.Orig_title, &film.Imdb_id, &film.Kinopoisk_id,
+		err = rows.Scan(&film.Id, &film.Ru_title, &film.Orig_title, &film.Imdb_id, &film.Kinopoisk_id,
 			&film.PosterUrl, &film.PosterUrlPreview, &film.Countries, &film.Genres, &film.Year,
 			&film.Description, &film.RatingKinopoisk, &film.RatingImdb, &film.Iframe_src, &film.RatingImdbVoteCount,
 			&film.RatingKinopoiskVoteCount, &film.Media)
+		if err != nil {
+			return nil, err
+		}
+		films = append(films, film)
+	}
+
+	return &films, nil
+}
+
+func (f *Filmsrepo) SortByGanres(name string) (*[]model.Films, error) {
+	var films []model.Films
+	rows, err := f.db.db.Query(context.Background(), "SELECT id, ru_title, posterurl FROM films WHERE genres::TEXT LIKE '%"+name+"%'")
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	for rows.Next() {
+		var film model.Films
+		rows.Scan(&film.Id, &film.Ru_title, &film.PosterUrl)
 		if rows.Err() != nil {
 			return nil, rows.Err()
 		}
 		films = append(films, film)
 	}
+
 	return &films, nil
 }
diff --git a/internal/bd/scanerTable/scanTable.go b/internal/bd/scanerTable/scanTable.go
new file mode 100644
index 0000000..8c832c2
--- /dev/null
+++ b/internal/bd/scanerTable/scanTable.go
@@ -0,0 +1,5 @@
+package scanertable
+
+type Scanertable interface {
+	Scan() any
+}
diff --git a/internal/restserver/filmhandle.go b/internal/restserver/filmhandle.go
index 0565165..b21aa87 100644
--- a/internal/restserver/filmhandle.go
+++ b/internal/restserver/filmhandle.go
@@ -16,6 +16,7 @@ func (r *RestServer) configureRouterFilms() {
 	r.router.HandleFunc("/api/films", r.HendleFindAll()).Methods("GET")
 	r.router.HandleFunc("/api/films/{id:[0-9]+}", r.HendleFindID()).Methods("GET")
 	r.router.HandleFunc("/api/films/{name}", r.HeandleFilmsFindName()).Methods("GET")
+	r.router.HandleFunc("/api/films/genres/{name}", r.HeandleFilmsSortGenres()).Methods("GET")
 }
 
 func (r *RestServer) HandleHello() http.HandlerFunc {
@@ -71,6 +72,21 @@ func (r *RestServer) HeandleFilmsFindName() http.HandlerFunc {
 	}
 }
 
+func (r *RestServer) HeandleFilmsSortGenres() http.HandlerFunc {
+	return func(w http.ResponseWriter, res *http.Request) {
+		name := mux.Vars(res)["name"]
+		films, err := r.db.Films().SortByGanres(name)
+		if err != nil {
+			r.logger.Errorln(err)
+		}
+		jsonData, err := json.Marshal(films)
+		if err != nil {
+			r.logger.Errorln(err)
+		}
+		io.WriteString(w, string(jsonData))
+	}
+}
+
 func (r *RestServer) HendleFindID() http.HandlerFunc {
 	return func(w http.ResponseWriter, res *http.Request) {
 		id := mux.Vars(res)["id"]