Adds Handlers and Tests for devicetypes, devices, and files

handler_file.go

@@ -0,0 +1,110 @@
+package main
+
+import (
+	"database/sql"
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"github.com/gorilla/mux"
+)
+
+func (a *App) getFile(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		respondWithError(w, http.StatusBadRequest, "Invalid file ID")
+		return
+	}
+
+	c := File{ID: id}
+	if err := c.getFile(a.DB); err != nil {
+		switch err {
+		case sql.ErrNoRows:
+			respondWithError(w, http.StatusNotFound, "File not found")
+		default:
+			respondWithError(w, http.StatusInternalServerError, err.Error())
+		}
+		return
+	}
+
+	respondWithJSON(w, http.StatusOK, c)
+}
+
+func (a *App) getFiles(w http.ResponseWriter, r *http.Request) {
+	count, _ := strconv.Atoi(r.FormValue("count"))
+	start, _ := strconv.Atoi(r.FormValue("start"))
+
+	if count > 10 || count < 1 {
+		count = 10
+	}
+	if start < 0 {
+		start = 0
+	}
+
+	files, err := getFiles(a.DB, start, count)
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	respondWithJSON(w, http.StatusOK, files)
+}
+
+func (a *App) createFile(w http.ResponseWriter, r *http.Request) {
+	var c File
+	decoder := json.NewDecoder(r.Body)
+	if err := decoder.Decode(&c); err != nil {
+		respondWithError(w, http.StatusBadRequest, "Invalid request payload")
+		return
+	}
+	defer r.Body.Close()
+	if err := c.createFile(a.DB); err != nil {
+		respondWithError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	respondWithJSON(w, http.StatusCreated, c)
+}
+
+func (a *App) updateFile(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		respondWithError(w, http.StatusBadRequest, "Invalid file ID")
+		return
+	}
+
+	var c File
+	decoder := json.NewDecoder(r.Body)
+	if err := decoder.Decode(&c); err != nil {
+		respondWithError(w, http.StatusBadRequest, "Invalid request payload")
+		return
+	}
+	defer r.Body.Close()
+	c.ID = id
+
+	if err := c.updateFile(a.DB); err != nil {
+		respondWithError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	respondWithJSON(w, http.StatusOK, c)
+}
+
+func (a *App) deleteFile(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, err := strconv.Atoi(vars["id"])
+	if err != nil {
+		respondWithError(w, http.StatusBadRequest, "Invalid File ID")
+		return
+	}
+
+	c := File{ID: id}
+	if err := c.deleteFile(a.DB); err != nil {
+		respondWithError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+
+	respondWithJSON(w, http.StatusOK, map[string]string{"result": "success"})
+}