chore(golang): implement logic for PUT requests

Part of #9

Author: php-coder

examples/go/routes.go

@@ -141,10 +141,26 @@ func registerRoutes(r chi.Router, db *sqlx.DB) {
 	})
 
 	r.Put("/v1/categories/{categoryId}", func(w http.ResponseWriter, r *http.Request) {
-		id, _ := strconv.Atoi(chi.URLParam(r, "categoryId"))
-		var category CategoryDto
-		json.NewDecoder(r.Body).Decode(&category)
-		categories[id] = category
+		var dto CreateCategoryDto
+		json.NewDecoder(r.Body).Decode(&dto)
+
+		args := map[string]interface{}{
+			"name": dto.Name,
+			"name_ru": dto.NameRu,
+			"slug": dto.Slug,
+			"user_id": dto.UserId,
+			"categoryId": chi.URLParam(r, "categoryId"),
+		}
+		_, err := db.NamedExec(
+			"UPDATE categories SET name = :name , name_ru = :name_ru , slug = :slug , updated_at = NOW() , updated_by = :user_id WHERE id = :categoryId",
+			args,
+		)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "NamedExec failed: %v\n", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
 		w.WriteHeader(http.StatusNoContent)
 	})
 

src/cli.js

@@ -118,8 +118,12 @@ const createEndpoints = async (destDir, lang, config) => {
             'b': 'req.body',
         },
         'go': {
-            'p': 'dto',
-            'b': 'dto',
+            'p': function(param) {
+                return `chi.URLParam(r, "${param}")`
+            },
+            'b': function(param) {
+                return 'dto.' + capitalize(snake2camelCase(param));
+            },
         }
     }
 
@@ -165,8 +169,8 @@ const createEndpoints = async (destDir, lang, config) => {
                         p => {
                             const bindTarget = p.substring(0, 1);
                             const paramName = p.substring(2);
-                            const fieldName = capitalize(snake2camelCase(paramName));
-                            return `"${paramName}": ${placeholdersMap['go'][bindTarget]}.${fieldName},`
+                            const formatFunc = placeholdersMap['go'][bindTarget];
+                            return `"${paramName}": ${formatFunc(paramName)},`
                         }
                     ).join('\n\t\t\t');
             },

src/templates/routes.go.ejs

@@ -253,12 +253,31 @@ endpoints.forEach(function(endpoint) {
 <%
 		}
 		if (method.name === 'put') {
+			const dto = query2dto(sqlParser, method);
+			// TODO: do we really need signature and cache?
+			const cacheKey = dto ? dto.signature : null;
+			const dataType = dtoInCache(dto) ? dtoCache[cacheKey] : dto.name;
+
+			// TODO: align args properly (like gofmt does)
+			const params = extractParams(method.query);
 %>
 	r.Put("<%- path %>", func(w http.ResponseWriter, r *http.Request) {
-		id, _ := strconv.Atoi(chi.URLParam(r, "categoryId"))
-		var category CategoryDto
-		json.NewDecoder(r.Body).Decode(&category)
-		categories[id] = category
+		var dto <%- dataType %>
+		json.NewDecoder(r.Body).Decode(&dto)
+
+		args := map[string]interface{}{
+			<%- formatParamsAsGolangMap(params) %>
+		}
+		_, err := db.NamedExec(
+			"<%- formatQuery(method.query) %>",
+			args,
+		)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "NamedExec failed: %v\n", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+
 		w.WriteHeader(http.StatusNoContent)
 	})
 <%