111 lines
2.4 KiB
Go
111 lines
2.4 KiB
Go
package main
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import (
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"database/sql"
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"encoding/json"
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"net/http"
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"strconv"
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"github.com/gorilla/mux"
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)
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func (a *App) getTag(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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id, err := strconv.Atoi(vars["id"])
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if err != nil {
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respondWithError(w, http.StatusBadRequest, "Invalid tag ID")
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return
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}
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c := Tag{ID: id}
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if err := c.getTag(a.DB); err != nil {
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switch err {
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case sql.ErrNoRows:
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respondWithError(w, http.StatusNotFound, "Tag not found")
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default:
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respondWithError(w, http.StatusInternalServerError, err.Error())
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}
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return
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}
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respondWithJSON(w, http.StatusOK, c)
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}
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func (a *App) getTags(w http.ResponseWriter, r *http.Request) {
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count, _ := strconv.Atoi(r.FormValue("count"))
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start, _ := strconv.Atoi(r.FormValue("start"))
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if count > 10 || count < 1 {
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count = 10
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}
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if start < 0 {
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start = 0
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}
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tags, err := getTags(a.DB, start, count)
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if err != nil {
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respondWithError(w, http.StatusInternalServerError, err.Error())
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return
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}
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respondWithJSON(w, http.StatusOK, tags)
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}
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func (a *App) createTag(w http.ResponseWriter, r *http.Request) {
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var c Tag
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decoder := json.NewDecoder(r.Body)
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if err := decoder.Decode(&c); err != nil {
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respondWithError(w, http.StatusBadRequest, "Invalid request payload")
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return
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}
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defer r.Body.Close()
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if err := c.createTag(a.DB); err != nil {
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respondWithError(w, http.StatusInternalServerError, err.Error())
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return
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}
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respondWithJSON(w, http.StatusCreated, c)
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}
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func (a *App) updateTag(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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id, err := strconv.Atoi(vars["id"])
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if err != nil {
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respondWithError(w, http.StatusBadRequest, "Invalid tag ID")
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return
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}
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var c Tag
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decoder := json.NewDecoder(r.Body)
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if err := decoder.Decode(&c); err != nil {
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respondWithError(w, http.StatusBadRequest, "Invalid request payload")
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return
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}
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defer r.Body.Close()
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c.ID = id
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if err := c.updateTag(a.DB); err != nil {
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respondWithError(w, http.StatusInternalServerError, err.Error())
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return
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}
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respondWithJSON(w, http.StatusOK, c)
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}
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func (a *App) deleteTag(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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id, err := strconv.Atoi(vars["id"])
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if err != nil {
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respondWithError(w, http.StatusBadRequest, "Invalid Tag ID")
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return
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}
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c := Tag{ID: id}
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if err := c.deleteTag(a.DB); err != nil {
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respondWithError(w, http.StatusInternalServerError, err.Error())
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return
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}
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respondWithJSON(w, http.StatusOK, map[string]string{"result": "success"})
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}
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