Proof of concept on API calls...

...remains unproven.

src/api/App.fs

@@ -33,7 +33,7 @@ with
       }
 
 /// Application configuration
-type Config = {
+type AppConfig = {
   /// PostgreSQL connection string
   Conn : string
   /// Auth0 settings
@@ -45,40 +45,45 @@ with
       Auth0 = Auth0Config.empty
       }
 
-
 /// A JSON response as a data property
 type JsonOkResponse<'a> = {
   data : 'a
   }
 
-
 /// A JSON response indicating an error occurred
 type JsonErrorResponse = {
   error : string
 }
 
-// --- Support ---
 
-/// Configuration instance
-let cfg =
-  try
-    use sr = File.OpenText "appsettings.json"
-    use tr = new JsonTextReader (sr)
-    let settings = JToken.ReadFrom tr
-    let secret = settings.["auth0"].["client-secret"].ToObject<string>()
-    { Conn = settings.["conn"].ToObject<string>()
-      Auth0 =
-        { Domain = settings.["auth0"].["domain"].ToObject<string>()
-          ClientId = settings.["auth0"].["client-id"].ToObject<string>()
-          ClientSecret = secret
-          ClientSecretJwt = secret.TrimEnd('=').Replace("-", "+").Replace("_", "/")
-          }
+/// Configuration instances
+module Config =
+  
+  /// Application configuration
+  let app =
+    try
+      use sr = File.OpenText "appsettings.json"
+      use tr = new JsonTextReader (sr)
+      let settings = JToken.ReadFrom tr
+      let secret = settings.["auth0"].["client-secret"].ToObject<string>()
+      { Conn = settings.["conn"].ToObject<string>()
+        Auth0 =
+          { Domain = settings.["auth0"].["domain"].ToObject<string>()
+            ClientId = settings.["auth0"].["client-id"].ToObject<string>()
+            ClientSecret = secret
+            ClientSecretJwt = secret.TrimEnd('=').Replace("-", "+").Replace("_", "/")
+            }
+        }
+    with _ -> AppConfig.empty
+
+  /// Custom Suave configuration
+  let suave =
+    { defaultConfig with
+        homeFolder = Some (Path.GetFullPath "./wwwroot/")
+        serverKey = Text.Encoding.UTF8.GetBytes("12345678901234567890123456789012")
+        bindings = [ HttpBinding.createSimple HTTP "127.0.0.1" 8084 ]
       }
-  with _ -> Config.empty
 
-/// Get the scheme, host, and port of the URL
-let schemeHostPort (req : HttpRequest) =
-  sprintf "%s://%s" req.url.Scheme (req.headers |> List.filter (fun x -> fst x = "host") |> List.head |> snd)
 
 /// Authorization functions
 module Auth =
@@ -93,7 +98,7 @@ module Auth =
   /// Get the user Id (sub) from a JSON Web Token
   let getIdFromToken jwt =
     try
-      let payload = Jose.JWT.Decode<JObject>(jwt, cfg.Auth0.ClientSecretJwt)
+      let payload = Jose.JWT.Decode<JObject>(jwt, Config.app.Auth0.ClientSecretJwt)
       let tokenExpires = jsDate (payload.["exp"].ToObject<int64>())
       match tokenExpires > DateTime.UtcNow with
       | true -> Some (payload.["sub"].ToObject<string>())
@@ -108,10 +113,16 @@ module Auth =
   let loggedOn =
     warbler (fun ctx ->
       match ctx.request.header "Authorization" with
-      | Choice1Of2 bearer -> Writers.setUserData "user" ((bearer.Split(' ').[1]) |> getIdFromToken)
+      | Choice1Of2 bearer -> Writers.setUserData "user" (getIdFromToken <| bearer.Split(' ').[1])
       | _ -> Writers.setUserData "user" None)
 
 
+// --- Support ---
+
+/// Get the scheme, host, and port of the URL
+let schemeHostPort (req : HttpRequest) =
+  sprintf "%s://%s" req.url.Scheme (req.headers |> List.filter (fun x -> fst x = "host") |> List.head |> snd)
+
 /// Serialize an object to JSON
 let toJson = JsonConvert.SerializeObject
 
@@ -121,7 +132,7 @@ let read ctx key : 'value =
 
 /// Create a new data context
 let dataCtx () =
-  new DataContext (((DbContextOptionsBuilder<DataContext>()).UseNpgsql cfg.Conn).Options)
+  new DataContext (((DbContextOptionsBuilder<DataContext>()).UseNpgsql Config.app.Conn).Options)
 
 /// Ensure the EF context is created in the right format
 let ensureDatabase () =
@@ -131,14 +142,6 @@ let ensureDatabase () =
     }
   |> Async.RunSynchronously
 
-let suaveCfg =
-  { defaultConfig with
-      homeFolder = Some (Path.GetFullPath "./wwwroot/")
-      serverKey = Text.Encoding.UTF8.GetBytes("12345678901234567890123456789012")
-      bindings = [ HttpBinding.createSimple HTTP "127.0.0.1" 8084 ]
-    }
-
-// --- Routes ---
 
 /// URL routes for myPrayerJournal
 module Route =
@@ -147,8 +150,6 @@ module Route =
   let journal = "/api/journal"
 
 
-// --- WebParts ---
-
 /// All WebParts that compose the public API
 module WebParts =
   
@@ -163,7 +164,6 @@ module WebParts =
   /// WebPart to return an JSON error response
   let errorJSON code error =
     jsonMimeType
-    >=> Writers.setStatus code
     >=> Response.response code ((toJson >> UTF8.bytes) { error = error })
 
   /// Journal page
@@ -177,12 +177,12 @@ module WebParts =
   let app =
     Auth.loggedOn
     >=> choose [
-          path Route.journal >=> viewJournal
+          GET >=> path Route.journal >=> viewJournal
           errorJSON HttpCode.HTTP_404 "Page not found"
           ]
 
 [<EntryPoint>]
 let main argv = 
   ensureDatabase ()
-  startWebServer suaveCfg WebParts.app
+  startWebServer Config.suave WebParts.app
   0 

src/app/index.html

@@ -5,7 +5,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>myPrayerJournal</title>
     <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
-    <!-- link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.6/css/bootstrap.min.css" -->
   </head>
   <body>
     <div id="app"></div>

src/app/src/App.vue

@@ -19,8 +19,14 @@ export default {
 </script>
 
 <style>
+@import url('../node_modules/element-ui/lib/theme-default/index.css');
 body {
+  font-family: -apple-system,system-ui,BlinkMacSystemFont,"Segoe UI","Roboto","Helvetica Neue", Arial, sans-serif;
   padding-top: 60px;
+  margin: 0;
+}
+#content {
+  padding: 0 10px;
 }
 footer {
   border-top: solid 1px lightgray;
@@ -28,6 +34,12 @@ footer {
   padding: 0 1rem;
 
 }
+footer p {
+  margin: 0;
+}
+.text-right {
+  text-align: right;
+}
 .material-icons.md-18 {
   font-size: 18px;
 }

src/app/src/api/Api.js

@@ -1,9 +0,0 @@
-import axios from 'axios'
-
-const http = axios.create({
-  baseURL: 'http://localhost:8084'
-})
-
-export default {
-  something: http.get('/blah')
-}

src/app/src/api/index.js

@@ -0,0 +1,28 @@
+import axios from 'axios'
+
+const http = axios.create({
+  baseURL: 'http://localhost:8084/api'
+})
+
+/**
+ * API access for myPrayerJournal
+ */
+export default {
+
+  /**
+   * Set the bearer token for all future requests
+   * @param {string} token The token to use to identify the user to the server
+   */
+  setBearer: token => { http.defaults.headers.common['Authentication'] = `Bearer ${token}` },
+
+  /**
+   * Remove the bearer token
+   */
+  removeBearer: () => delete http.defaults.headers.common['Authentication'],
+
+  /**
+   * Get all prayer requests and their most recent updates
+   */
+  journal: () => http.get('/journal')
+
+}

src/app/src/components/Dashboard.vue

@@ -2,14 +2,22 @@
   article
     page-title(:title="title")
     p here you are!
+    p(v-if="isLoadingJournal") journal is loading...
+    p(v-if="!isLoadingJournal") journal has {{ journal.length }} entries
 </template>
 
 <script>
 import { mapState } from 'vuex'
 import PageTitle from './PageTitle'
 
+import * as actions from '@/store/action-types'
+
 export default {
   name: 'dashboard',
+  data () {
+    this.$store.dispatch(actions.LOAD_JOURNAL)
+    return {}
+  },
   components: {
     PageTitle
   },
@@ -17,7 +25,7 @@ export default {
     title () {
       return `${this.user.given_name}'s Dashboard`
     },
-    ...mapState(['user'])
+    ...mapState(['user', 'journal', 'isLoadingJournal'])
   }
 }
 </script>

src/app/src/store/action-types.js

@@ -0,0 +1 @@
+export const LOAD_JOURNAL = 'load-journal'

src/app/src/store/index.js

@@ -1,18 +1,41 @@
 import Vue from 'vue'
 import Vuex from 'vuex'
 
+import api from '@/api'
 import AuthService from '@/auth/AuthService'
 
 import * as types from './mutation-types'
+import * as actions from './action-types'
 
 Vue.use(Vuex)
 
 this.auth0 = new AuthService()
 
+const logError = function (error) {
+  if (error.response) {
+    // The request was made and the server responded with a status code
+    // that falls out of the range of 2xx
+    console.log(error.response.data)
+    console.log(error.response.status)
+    console.log(error.response.headers)
+  } else if (error.request) {
+    // The request was made but no response was received
+    // `error.request` is an instance of XMLHttpRequest in the browser and an instance of
+    // http.ClientRequest in node.js
+    console.log(error.request)
+  } else {
+    // Something happened in setting up the request that triggered an Error
+    console.log('Error', error.message)
+  }
+  console.log(error.config)
+}
+
 export default new Vuex.Store({
   state: {
     user: JSON.parse(localStorage.getItem('user_profile') || '{}'),
-    isAuthenticated: this.auth0.isAuthenticated()
+    isAuthenticated: this.auth0.isAuthenticated(),
+    journal: {},
+    isLoadingJournal: false
   },
   mutations: {
     [types.USER_LOGGED_ON] (state, user) {
@@ -23,9 +46,29 @@ export default new Vuex.Store({
     [types.USER_LOGGED_OFF] (state) {
       state.user = {}
       state.isAuthenticated = false
+    },
+    [types.LOADING_JOURNAL] (state, flag) {
+      state.isLoadingJournal = flag
+    },
+    [types.LOADED_JOURNAL] (state, journal) {
+      state.journal = journal
+    }
+  },
+  actions: {
+    [actions.LOAD_JOURNAL] ({ commit }) {
+      commit(types.LOADED_JOURNAL, {})
+      commit(types.LOADING_JOURNAL, true)
+      api.journal()
+        .then(jrnl => {
+          commit(types.LOADING_JOURNAL, false)
+          commit(types.LOADED_JOURNAL, jrnl)
+        })
+        .catch(err => {
+          commit(types.LOADING_JOURNAL, false)
+          logError(err)
+        })
     }
   },
-  actions: {},
   getters: {},
   modules: {}
 })

src/app/src/store/mutation-types.js

@@ -1,2 +1,4 @@
 export const USER_LOGGED_OFF = 'user-logged-out'
 export const USER_LOGGED_ON = 'user-logged-on'
+export const LOADING_JOURNAL = 'loading-journal'
+export const LOADED_JOURNAL = 'journal-loaded'