Generate invite tokens from admin-fe

This MR allows to create invite tokens, list them on a separate tab, invite users via email. It also updates error handling and allows to generate tokens for resetting password.

Closes #28 (closed)

src/store/modules/invites.js

+import { generateInviteToken, inviteViaEmail, listInviteTokens, revokeToken } from '@/api/invites'
+
+const invites = {
+  state: {
+    inviteTokens: [],
+    loading: false,
+    newToken: {}
+  },
+  mutations: {
+    SET_LOADING: (state, status) => {
+      state.loading = status
+    },
+    SET_NEW_TOKEN: (state, token) => {
+      state.newToken = token
+    },
+    SET_TOKENS: (state, tokens) => {
+      state.inviteTokens = tokens
+    }
+  },
+  actions: {
+    async FetchInviteTokens({ commit, getters }) {
+      commit('SET_LOADING', true)
+      const response = await listInviteTokens(getters.authHost, getters.token)
+      commit('SET_TOKENS', response.data.invites.reverse())
+      commit('SET_LOADING', false)
+    },
+    async GenerateInviteToken({ commit, dispatch, getters }, { maxUse, expiresAt }) {
+      const { data } = await generateInviteToken(maxUse, expiresAt, getters.authHost, getters.token)
+      commit('SET_NEW_TOKEN', { token: data.token, maxUse: data.max_use, expiresAt: data.expires_at })
+      dispatch('FetchInviteTokens')
+    },
+    async InviteUserViaEmail({ commit, dispatch, getters }, { email, name }) {
+      await inviteViaEmail(email, name, getters.authHost, getters.token)
+    },
+    RemoveNewToken({ commit }) {
+      commit('SET_NEW_TOKEN', {})
+    },
+    async RevokeToken({ commit, dispatch, getters }, token) {
+      await revokeToken(token, getters.authHost, getters.token)
+      dispatch('FetchInviteTokens')
+    }
+  }
+}
+
+export default invites