Created Turnpike, event attendee and volunteer management

Built after prototype, Traverse, an attendee and volunteer list
maintainer.

handle_departments.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+)
+
+func (app *App) handleListDepartments(w http.ResponseWriter, r *http.Request) {
+	depts, err := app.listDepartments("")
+	if err != nil {
+		writeError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	writeJSON(w, depts)
+}
+
+func (app *App) handleCreateDepartment(w http.ResponseWriter, r *http.Request) {
+	var d Department
+	if err := json.NewDecoder(r.Body).Decode(&d); err != nil {
+		writeError(w, "invalid request", http.StatusBadRequest)
+		return
+	}
+	if d.Name == "" {
+		writeError(w, "name is required", http.StatusBadRequest)
+		return
+	}
+	if d.Color == "" {
+		d.Color = "#6366f1"
+	}
+	created, err := app.createDepartment(d)
+	if err != nil {
+		writeError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusCreated)
+	writeJSON(w, created)
+}
+
+func (app *App) handleUpdateDepartment(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.Atoi(r.PathValue("id"))
+	if err != nil {
+		writeError(w, "invalid id", http.StatusBadRequest)
+		return
+	}
+	var d Department
+	if err := json.NewDecoder(r.Body).Decode(&d); err != nil {
+		writeError(w, "invalid request", http.StatusBadRequest)
+		return
+	}
+	if d.Name == "" {
+		writeError(w, "name is required", http.StatusBadRequest)
+		return
+	}
+	d.ID = id
+	if err := app.updateDepartment(d); err != nil {
+		writeError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	updated, _ := app.getDepartment(id)
+	writeJSON(w, updated)
+}
+
+func (app *App) handleDeleteDepartment(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.Atoi(r.PathValue("id"))
+	if err != nil {
+		writeError(w, "invalid id", http.StatusBadRequest)
+		return
+	}
+	if err := app.deleteDepartment(id); err != nil {
+		writeError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}