Add media viewer module and media module component, modify attachment behavior

src/modules/media_viewer.js

@@ -0,0 +1,40 @@
+import fileTypeService from '../services/file_type/file_type.service.js'
+
+const mediaViewer = {
+  state: {
+    media: [],
+    currentIndex: 0,
+    activated: false
+  },
+  mutations: {
+    setMedia (state, media) {
+      state.media = media
+    },
+    setCurrent (state, index) {
+      state.activated = true
+      state.currentIndex = index
+    },
+    close (state) {
+      state.activated = false
+    }
+  },
+  actions: {
+    setMedia ({ commit }, attachments) {
+      const media = attachments.filter(attachment => {
+        const type = fileTypeService.fileType(attachment.mimetype)
+        return type === 'image' || type === 'video'
+      })
+      commit('setMedia', media)
+    },
+    setCurrent ({ commit, state }, current) {
+      const index = state.media.indexOf(current)
+      console.log(index, current)
+      commit('setCurrent', index || 0)
+    },
+    closeMediaViewer ({ commit }) {
+      commit('close')
+    }
+  }
+}
+
+export default mediaViewer