serve a swagger file for each exposed api

server.js

@@ -4,6 +4,8 @@ var _ = require("underscore");
 var bodyParser = require('body-parser');
 var util = require('util');
 
+var sample_swagger = require('./swagger.json');
+
 // ExpressJS Setup
 var app = express();
 var router = express.Router();
@@ -18,8 +20,8 @@ var config = {
     },
     "config": {
       "fields": {
-        "name": { "required": true },
-        "price": { "required": true }
+        "name": { "required": true, "type": "string" },
+        "price": { "required": true, "type": "integer" }
       }
     }
   }
@@ -27,7 +29,9 @@ var config = {
 
 var admin_endpoints = [
   { "url": "/debug/state", "verbs": [ "GET" ] },
-  { "url": "/config/", "verbs": [ "GET" ] }
+  { "url": "/config/", "verbs": [ "GET" ] },
+  { "url": "/config/{id}", "verbs": [ "GET" ] },
+  { "url": "/config/{id}/swagger", "verbs": [ "GET" ] }
 ];
 
 // Log every request
@@ -54,6 +58,57 @@ router.get("/config",function(req,res){
   );
 });
 
+router.get("/config/:object/",function(req,res){
+  var resource = req.params.object;
+  if (! (resource in config)) {
+    return error(res, 400, util.format("There is no resource '%s', try one of those resources : %s", resource, _.keys(config).join(", ")));
+  }
+
+  success(res, 200, config[resource].config);
+});
+
+router.get("/config/:object/swagger",function(req,res){
+  var resource = req.params.object;
+  if (! (resource in config)) {
+    return error(res, 400, util.format("There is no resource '%s', try one of those resources : %s", resource, _.keys(config).join(", ")));
+  }
+
+  // Search and replace all occurences of __THINGS__
+  var swagger = recursivedo(sample_swagger, (str) => {
+    return str.replace("__THINGS__", resource);
+  });
+
+  _.each(config[resource].config.fields, (params, id) => {
+    swagger.definitions.Thing.properties[id] = params;
+    swagger.definitions.PersistedThing.properties[id] = params;
+  });
+
+  success(res, 200, swagger);
+});
+
+// Recursively traverse a structure to do something
+function recursivedo(input, fn) {
+  if (typeof input == "string") {
+    return fn(input);
+  } else if (input instanceof Array) {
+    var ret = [];
+    for (var i = 0; i < input.length; i++) {
+      ret.push(recursivedo(input[i], fn));
+    }
+    return ret;
+  } else if (input instanceof Object) {
+    var ret = {};
+    for (var property in input) {
+      if (input.hasOwnProperty(property)) {
+        ret[fn(property)] = recursivedo(input[property], fn);
+      }
+    }
+    return ret;
+  } else {
+    return input;
+  }
+}
+
 // Any GET on / ends up with a nice documentation as JSON
 router.get("/",function(req,res){
   var response = {

swagger.json

@@ -1,192 +1,129 @@
 {
   "swagger": "2.0",
   "info": {
-    "version": "1.0.0",
-    "title": "Mockup API",
-    "description": "A simple API that exposes CRUD operations",
+    "title": "Mockup (__THINGS__)",
+    "description": "A simple API Mock that manages __THINGS__",
     "contact": {
-      "name": "Nicolas Masse"
+      "name": "Nicolas Massé",
+      "url": "https://github.com/nmasse-itix/API-Mockup"
     },
     "license": {
-      "name": "MIT"
-    }
+      "name": "MIT License",
+      "url": "https://opensource.org/licenses/MIT"
+    },
+    "version": "1.0.0"
   },
-  "host": "TODO",
-  "basePath": "/",
-  "schemes": [
-    "https"
-  ],
-  "consumes": [
-    "application/json"
-  ],
-  "produces": [
-    "application/json"
-  ],
   "paths": {
-    "/things": {
+    "/__THINGS__/": {
       "get": {
-        "description": "Returns all available things",
-        "produces": [
-          "application/json"
-        ],
+        "summary": "Get all __THINGS__",
+        "description": "Get all the __THINGS__.",
         "responses": {
           "200": {
-            "description": "A List of Things",
+            "description": "Success",
             "schema": {
-              "$ref": "#/definitions/ThingsList"
+              "type": "array",
+              "items": {
+                "type": "#/definitions/PersistedThing"
+              }
+            }
           }
         }
       },
+      "post": {
+        "summary": "Create a __THINGS__",
         "parameters": [
           {
-            "$ref": "#/parameters/user-key"
+            "name": "body",
+            "in": "body",
+            "schema": {
+              "$ref": "#/definitions/Thing"
+            }
           }
-        ]
-      },
-      "post": {
-        "description": "Create a thing",
-        "consumes": [
-          "application/json"
-        ],
-        "produces": [
-          "application/json"
         ],
         "responses": {
-          "200": {
-            "description": "The created Thing",
+          "201": {
+            "description": "Success",
             "schema": {
-              "$ref": "#/definitions/Thing"
+              "$ref": "#/definitions/PersistedThing"
             }
           }
-        },
-        "parameters": [
-          {
-            "$ref": "#/parameters/user-key"
-          },
-          {
-            "$ref": "#/parameters/body"
         }
-        ]
       }
     },
-    "/things/{id}": {
+    "/__THINGS__/{id}": {
       "get": {
-        "description": "Returns all available things",
-        "produces": [
-          "application/json"
-        ],
+        "summary": "Get a __THINGS__ by id",
         "responses": {
           "200": {
-            "description": "A List of Things",
+            "description": "Success",
             "schema": {
-              "$ref": "#/definitions/ThingsList"
+              "$ref": "#/definitions/PersistedThing"
+            }
           }
         }
       },
+      "put": {
+        "summary": "Update a __THINGS__",
         "parameters": [
           {
-            "$ref": "#/parameters/user-key"
-          },
-          {
-            "$ref": "#/parameters/id"
+            "name": "body",
+            "in": "body",
+            "schema": {
+              "$ref": "#/definitions/PersistedThing"
+            }
           }
-        ]
-      },
-      "put": {
-        "description": "Update a Thing",
-        "produces": [
-          "application/json"
         ],
         "responses": {
           "200": {
-            "description": "The updated Thing",
+            "description": "Success",
             "schema": {
-              "$ref": "#/definitions/Thing"
+              "$ref": "#/definitions/PersistedThing"
             }
           }
-        },
-        "parameters": [
-          {
-            "$ref": "#/parameters/user-key"
-          },
-          {
-            "$ref": "#/parameters/id"
-          },
-          {
-            "$ref": "#/parameters/body"
         }
-        ]
       },
       "delete": {
-        "description": "Delete a Thing",
-        "produces": [
-          "application/json"
-        ],
+        "summary": "Delete a __THINGS__",
         "responses": {
           "200": {
-            "description": "The delete Thing",
+            "description": "Success",
             "schema": {
-              "$ref": "#/definitions/Thing"
+              "$ref": "#/definitions/PersistedThing"
+            }
           }
         }
       },
       "parameters": [
         {
-            "$ref": "#/parameters/user-key"
-          },
-          {
-            "$ref": "#/parameters/id"
+          "name": "id",
+          "in": "path",
+          "description": "The __THINGS__ id",
+          "required": true,
+          "type": "integer"
         }
       ]
     }
-    }
   },
   "definitions": {
-    "ThingsList": {
-      "type": "array",
-      "items": {
-        "$ref": "#/definitions/Thing"
-      }
-    },
     "Thing": {
+      "title": "Definition of __THINGS__",
+      "description": "All __THINGS__ follow this definition",
       "type": "object",
-      "properties": {
-        "name": {
-          "type": "string"
+      "properties": { }
     },
+    "PersistedThing": {
+      "title": "Definition of persisted __THINGS__",
+      "description": "All persisted __THINGS__ follow this definition",
+      "type": "object",
+      "properties": {
         "id": {
-          "type": "number"
-        },
-        "price": {
-          "type": "number"
+          "format": "int32",
+          "description": "The __THINGS__ id",
+          "type": "integer",
+          "required": true
         }
       }
     }
-  },
-  "parameters": {
-    "user-key": {
-      "name": "user-key",
-      "in": "header",
-      "required": true,
-      "description": "The 3scale API Key",
-      "type": "string",
-      "x-data-threescale-name": "user_keys"
-    },
-    "id": {
-      "name": "id",
-      "in": "path",
-      "required": true,
-      "description": "The things id",
-      "type": "number"
-    },
-    "body": {
-      "name": "body",
-      "in": "body",
-      "required": true,
-      "description": "The Thing to create/update",
-      "schema": {
-        "$ref": "#/definitions/Thing"
-      }
-    }
   }
 }

swagger.yaml

@@ -1,119 +0,0 @@
----
-  swagger: "2.0"
-  info: 
-    version: "1.0.0"
-    title: "Mockup API"
-    description: "A simple API that exposes CRUD operations"
-    contact: 
-      name: "Nicolas Masse"
-    license: 
-      name: "MIT"
-  host: "TODO"
-  basePath: "/"
-  schemes: 
-    - "https"
-  consumes: 
-    - "application/json"
-  produces: 
-    - "application/json"
-  paths: 
-    '/things': 
-      get: 
-        description: "Returns all available things"
-        produces: 
-          - "application/json"
-        responses: 
-          "200":
-            description: "A List of Things"
-            schema: 
-              $ref: "#/definitions/ThingsList"
-        parameters:
-          - $ref: "#/parameters/user-key"
-      post:
-        description: "Create a thing"
-        consumes: 
-          - "application/json"
-        produces: 
-          - "application/json"
-        responses: 
-          "200":
-            description: "The created Thing"
-            schema: 
-              $ref: "#/definitions/Thing"
-        parameters:
-          - $ref: "#/parameters/user-key"
-          - $ref: "#/parameters/body"
-    '/things/{id}': 
-      get: 
-        description: "Returns all available things"
-        produces: 
-          - "application/json"
-        responses: 
-          "200":
-            description: "A List of Things"
-            schema: 
-              $ref: "#/definitions/ThingsList"
-        parameters:
-          - $ref: "#/parameters/user-key"
-          - $ref: "#/parameters/id"
-      put: 
-        description: "Update a Thing"
-        produces: 
-          - "application/json"
-        responses: 
-          "200":
-            description: "The updated Thing"
-            schema: 
-              $ref: "#/definitions/Thing"
-        parameters:
-          - $ref: "#/parameters/user-key"
-          - $ref: "#/parameters/id"
-          - $ref: "#/parameters/body"
-      delete: 
-        description: "Delete a Thing"
-        produces: 
-          - "application/json"
-        responses: 
-          "200":
-            description: "The delete Thing"
-            schema: 
-              $ref: "#/definitions/Thing"
-        parameters:
-          - $ref: "#/parameters/user-key"
-          - $ref: "#/parameters/id"
-  definitions: 
-    ThingsList: 
-      type: "array"
-      items:
-        $ref: "#/definitions/Thing"
-    Thing:
-      type: "object"
-      properties: 
-        name: 
-          type: "string"
-        id: 
-          type: "number"
-        price:
-          type: "number"
-  parameters: 
-    user-key: 
-      name: "user-key"
-      in: "header"
-      required: true
-      description: "The 3scale API Key"
-      type: "string"
-      x-data-threescale-name: "user_keys"
-    id: 
-      name: "id"
-      in: "path"
-      required: true
-      description: "The things id"
-      type: "number"
-    body:
-      name: "body"
-      in: "body"
-      required: true
-      description: "The Thing to create/update"
-      schema: 
-        $ref: "#/definitions/Thing"
-  

test/specs.js

@@ -35,6 +35,35 @@ describe('server.js tests', function () {
       .end(done);
   });
 
+  it("Default config (by id)", (done) => {
+    request(server)
+      .get('/config/things/')
+      .expect('Content-Type', /^application[/]json/)
+      .expect(200)
+      .expect((res) => {
+        assert.ok(res.body instanceof Object, "body is Object");
+        assert.ok(res.body.fields instanceof Object, "body.things.fields has fields");
+        assert.ok('name' in res.body.fields, "body.things.fields has a field named 'name'");
+        assert.ok('price' in res.body.fields, "body.things.fields has a field named 'price'");
+      })
+      .end(done);
+  });
+
+  it("Get the swagger of the default config", (done) => {
+    request(server)
+      .get('/config/things/swagger')
+      .expect('Content-Type', /^application[/]json/)
+      .expect(200)
+      .expect((res) => {
+        assert.ok(res.body instanceof Object, "body is Object");
+        assert.equal(res.body.info.title, "Mockup (things)", "search-and-replace worked");
+        assert.equal(res.body.definitions.PersistedThing.properties.id.required, true, "PersistedThing have a mandatory id");
+        assert.equal(res.body.definitions.Thing.properties.name.required, true, "Thing have a mandatory name");
+        assert.equal(res.body.definitions.Thing.properties.price.required, true, "Thing have a mandatory price");
+      })
+      .end(done);
+  });
+
   it("By default, the list of things is empty", (done) => {
     request(server)
       .get('/things/')