From 940505edec24d23fc7ae34d783c55d43e0dcb669 Mon Sep 17 00:00:00 2001
From: Henrique Dias <hacdias@gmail.com>
Date: Sat, 8 Jul 2017 20:27:26 +0100
Subject: [PATCH] Commands on settings

---
 assets/src/components/GlobalSettings.vue | 30 +++++++++++---
 assets/src/utils/api.js                  | 46 ++++++++++++++++++++-
 http.go                                  |  2 +
 settings.go                              | 51 ++++++++++++++++++++++++
 4 files changed, 122 insertions(+), 7 deletions(-)
 create mode 100644 settings.go

diff --git a/assets/src/components/GlobalSettings.vue b/assets/src/components/GlobalSettings.vue
index 4338cf5b..100b7b8e 100644
--- a/assets/src/components/GlobalSettings.vue
+++ b/assets/src/components/GlobalSettings.vue
@@ -6,7 +6,7 @@
       <li><router-link v-if="user.admin" to="/users">Go to User Management</router-link></li>
     </ul>
 
-    <form @submit="saveHooks">
+    <form @submit="saveCommands">
       <h2>Commands</h2>
 
       <p class="small">Here you can set commands that are executed in the named events. You write one command
@@ -14,10 +14,10 @@
         <code>file</code> will be available with the path of the file.</p>
 
       <h3>Before Save</h3>
-      <textarea v-model="beforeSave"></textarea>
+      <textarea v-model.trim="beforeSave"></textarea>
 
       <h3>After Save</h3>
-      <textarea v-model="afterSave"></textarea>
+      <textarea v-model.trim="afterSave"></textarea>
 
       <p><input type="submit" value="Save"></p>
     </form>
@@ -27,6 +27,7 @@
 
 <script>
 import { mapState, mapMutations } from 'vuex'
+import api from '@/utils/api'
 
 export default {
   name: 'settings',
@@ -40,12 +41,29 @@ export default {
     ...mapState([ 'user' ])
   },
   created () {
-    // TODO: fetch current settings here
+    api.getCommands()
+      .then(commands => {
+        this.beforeSave = commands['before_save'].join('\n')
+        this.afterSave = commands['after_save'].join('\n')
+      })
+      .catch(error => { this.showError(error) })
   },
   methods: {
-    ...mapMutations([ 'showSuccess' ]),
-    saveHooks (event) {
+    ...mapMutations([ 'showSuccess', 'showError' ]),
+    saveCommands (event) {
       event.preventDefault()
+
+      let commands = {
+        'before_save': this.beforeSave.split('\n'),
+        'after_save': this.afterSave.split('\n')
+      }
+
+      if (commands['before_save'].length === 1 && commands['before_save'][0] === '') commands['before_save'] = []
+      if (commands['after_save'].length === 1 && commands['after_save'][0] === '') commands['after_save'] = []
+
+      api.updateCommands(commands)
+        .then(() => { this.showSuccess('Commands updated!') })
+        .catch(error => { this.showError(error) })
     }
   }
 }
diff --git a/assets/src/utils/api.js b/assets/src/utils/api.js
index 33aa6ec4..75066dbc 100644
--- a/assets/src/utils/api.js
+++ b/assets/src/utils/api.js
@@ -316,6 +316,48 @@ function updateCSS (css) {
   })
 }
 
+function getCommands () {
+  return new Promise((resolve, reject) => {
+    let request = new window.XMLHttpRequest()
+    request.open('GET', `${store.state.baseURL}/api/commands/`, true)
+    request.setRequestHeader('Authorization', `Bearer ${store.state.jwt}`)
+
+    request.onload = () => {
+      switch (request.status) {
+        case 200:
+          resolve(JSON.parse(request.responseText))
+          break
+        default:
+          reject(request.responseText)
+          break
+      }
+    }
+    request.onerror = (error) => reject(error)
+    request.send()
+  })
+}
+
+function updateCommands (commands) {
+  return new Promise((resolve, reject) => {
+    let request = new window.XMLHttpRequest()
+    request.open('PUT', `${store.state.baseURL}/api/commands/`, true)
+    request.setRequestHeader('Authorization', `Bearer ${store.state.jwt}`)
+
+    request.onload = () => {
+      switch (request.status) {
+        case 200:
+          resolve()
+          break
+        default:
+          reject(request.responseText)
+          break
+      }
+    }
+    request.onerror = (error) => reject(error)
+    request.send(JSON.stringify(commands))
+  })
+}
+
 export default {
   delete: rm,
   fetch,
@@ -331,5 +373,7 @@ export default {
   updateUser,
   getUsers,
   updatePassword,
-  updateCSS
+  updateCSS,
+  getCommands,
+  updateCommands
 }
diff --git a/http.go b/http.go
index 258c2f2b..a2dfd6ed 100644
--- a/http.go
+++ b/http.go
@@ -127,6 +127,8 @@ func apiHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int,
 		return resourceHandler(c, w, r)
 	case "users":
 		return usersHandler(c, w, r)
+	case "commands":
+		return commandsHandler(c, w, r)
 	}
 
 	return http.StatusNotFound, nil
diff --git a/settings.go b/settings.go
new file mode 100644
index 00000000..0059d6dd
--- /dev/null
+++ b/settings.go
@@ -0,0 +1,51 @@
+package filemanager
+
+import (
+	"encoding/json"
+	"errors"
+	"net/http"
+)
+
+func commandsHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
+	switch r.Method {
+	case http.MethodGet:
+		return commandsGetHandler(c, w, r)
+	case http.MethodPut:
+		return commandsPutHandler(c, w, r)
+	}
+
+	return http.StatusMethodNotAllowed, nil
+}
+
+func commandsGetHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
+	if !c.us.Admin {
+		return http.StatusForbidden, nil
+	}
+
+	return renderJSON(w, c.fm.Commands)
+}
+
+func commandsPutHandler(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
+	if !c.us.Admin {
+		return http.StatusForbidden, nil
+	}
+
+	if r.Body == nil {
+		return http.StatusBadGateway, errors.New("Empty request body")
+	}
+
+	var commands map[string][]string
+
+	// Parses the user and checks for error.
+	err := json.NewDecoder(r.Body).Decode(&commands)
+	if err != nil {
+		return http.StatusBadRequest, errors.New("Invalid JSON")
+	}
+
+	if err := c.fm.db.Set("config", "commands", commands); err != nil {
+		return http.StatusInternalServerError, err
+	}
+
+	c.fm.Commands = commands
+	return http.StatusOK, nil
+}