From d39694007192f8f2b107887cd02511e0cac31898 Mon Sep 17 00:00:00 2001
From: Ferdinand Thiessen <rpm@fthiessen.de>
Date: Fri, 29 Jan 2021 04:38:20 +0100
Subject: [PATCH] First try with an overview page for the balance

---
 src/plugins/balance/pages/Overview.vue | 151 ++++++++++++++++++-------
 src/plugins/balance/store/balance.ts   |  13 ++-
 2 files changed, 121 insertions(+), 43 deletions(-)

diff --git a/src/plugins/balance/pages/Overview.vue b/src/plugins/balance/pages/Overview.vue
index dd94ad6..10dc436 100644
--- a/src/plugins/balance/pages/Overview.vue
+++ b/src/plugins/balance/pages/Overview.vue
@@ -1,71 +1,140 @@
 <template>
-  <div>
-    <q-page padding>
-      <q-card>
-        <q-card-section>
-          <q-table :data="rows" row-key="userid" :columns="columns" />
-        </q-card-section>
-      </q-card>
-    </q-page>
-  </div>
+  <q-page padding>
+    <q-card>
+      <q-card-section class="text-center">
+        <div class="text-h4">Aktueller Stand</div>
+        <div style="font-size: 2em">{{ balance.toFixed(2) }}&#8239;€</div>
+      </q-card-section>
+      <q-separator />
+      <q-card-section>
+        <q-table
+          title="Buchungen"
+          :data="data"
+          :columns="columns"
+          row-key="id"
+          :pagination.sync="pagination"
+          :loading="loading"
+          @request="onRequest"
+          binary-state-sort
+        />
+      </q-card-section>
+    </q-card>
+  </q-page>
 </template>
 
 <script lang="ts">
-// TODO: Load all users / balances
-
-// TODO: Fill usefull data
-
-import { computed, defineComponent } from '@vue/composition-api';
+import { computed, defineComponent, onMounted, ref } from '@vue/composition-api';
 import { StateInterfaceBalance } from '../store/balance';
 import { Store } from 'vuex';
+import { formatDateTime } from 'src/utils/datetime';
+
 export default defineComponent({
   // name: 'PageName'
   setup(_, { root }) {
     const store = <Store<StateInterfaceBalance>>root.$store;
 
-    const rows = [];
+    onMounted(() => {
+      void store.dispatch('balance/getBalance');
+      onRequest({
+        pagination: pagination.value,
+        filter: undefined
+      });
+    });
+
+    const data = ref<FG.Transaction[]>([]);
+    const loading = ref(false);
+    const pagination = ref({
+      sortBy: 'desc',
+      descending: false,
+      page: 1,
+      rowsPerPage: 3,
+      rowsNumber: 10
+    });
+
+    interface PaginationInterface {
+      sortBy: string;
+      descending: boolean;
+      page: number;
+      rowsPerPage: number;
+      rowsNumber: number;
+    }
+
+    function onRequest(props: { pagination: PaginationInterface; filter?: string }) {
+      const { page, rowsPerPage, sortBy, descending } = props.pagination;
+      const filter = props.filter;
+
+      loading.value = true;
+
+      void store.dispatch('balance/getTransactionsCount', filter).then((value: number) => {
+        pagination.value.rowsNumber = value;
+
+        // get all rows if "All" (0) is selected
+        const fetchCount = rowsPerPage === 0 ? pagination.value.rowsNumber : rowsPerPage;
+        // calculate starting row of data
+        const startRow = (page - 1) * rowsPerPage;
+
+        // fetch data from "server"
+        store
+          .dispatch('balance/getTransactions', {
+            filter: { row: startRow, limit: fetchCount }
+          })
+          .then((gotTransactions: FG.Transaction[]) => {
+            // clear out existing data and add new
+            data.value.splice(0, data.value.length, ...gotTransactions);
+            // don't forget to update local pagination object
+            pagination.value.page = page;
+            pagination.value.rowsPerPage = rowsPerPage;
+            pagination.value.sortBy = sortBy;
+            pagination.value.descending = descending;
+          })
+          .finally(() => (loading.value = false));
+      });
+    }
+
+    const balance = computed(
+      () =>
+        store.state.balance.balances.get((<FG.User>store.state.user.currentUser).userid)?.balance ||
+        NaN
+    );
 
     const columns = [
       {
-        name: 'userid',
+        name: 'time',
         label: 'Datum',
-        field: 'userid',
+        field: 'time',
         required: true,
-        align: 'left',
-        sortable: true
+        sortable: true,
+        format: (val: Date) => formatDateTime(new Date(val), true, true, true)
       },
       {
-        name: 'balance',
+        name: 'text',
         label: 'Text',
-        field: 'balance',
-        format: (val: number) => val.toFixed(2)
+        format: (_: undefined, row: FG.Transaction) => {
+          if (row.sender_id == null) return 'Gutschrift';
+          else {
+            if (row.receiver_id == null) return 'Angeschrieben';
+            else {
+              if (row.receiver_id === store.state.user.currentUser?.userid) return 'Bekommen von X';
+              else return 'Gesendet an X';
+            }
+          }
+        }
       },
       {
-        name: 'limit',
+        name: 'amount',
         label: 'Betrag',
-        field: 'limit',
-        format: (val: number) => (val === null ? 'keins' : val)
+        field: 'amount',
+        format: (val: number) => `${val.toFixed(2)}€`
       },
       {
-        name: 'limit',
+        name: 'author_id',
         label: 'Benutzer',
-        field: 'limit',
-        format: (val: number) => (val === null ? 'keins' : val)
-      },
-      {
-        name: 'limit',
-        label: 'Storniert',
-        field: 'limit',
-        format: (val: number) => (val === null ? 'keins' : val)
-      },
-      {
-        name: 'limit',
-        label: 'Löschen',
-        field: 'limit',
-        format: (val: number) => (val === null ? 'keins' : val)
+        field: 'author_id',
+        format: (val: string) => store.state.user.users.filter(x => x.userid == val)[0].display_name
       }
     ];
-    return { rows, columns };
+
+    return { data, pagination, onRequest, loading, balance, columns };
   }
 });
 </script>
diff --git a/src/plugins/balance/store/balance.ts b/src/plugins/balance/store/balance.ts
index c74f81d..3538d37 100644
--- a/src/plugins/balance/store/balance.ts
+++ b/src/plugins/balance/store/balance.ts
@@ -69,7 +69,7 @@ const mutations: MutationTree<BalanceInterface> = {
   },
   reverseTransaction(state, data: { transaction: FG.Transaction; reversal: FG.Transaction }) {
     const idx = state.transactions.findIndex(value => value.id === data.transaction.id);
-    data.transaction.reversal = data.reversal;
+    data.transaction.reversal_id = data.reversal.id;
     if (idx > -1) state.transactions[idx] = data.transaction;
     else state.transactions.push(data.transaction);
   }
@@ -78,7 +78,7 @@ const mutations: MutationTree<BalanceInterface> = {
 const actions: ActionTree<BalanceInterface, StateInterface> = {
   addShortcut({ commit, state, rootState }, shortcut) {
     const sc = [...state.shortcuts, shortcut];
-    sc.sort().reverse();
+    sc.sort();
 
     const user = <FG.User>rootState.user.currentUser;
     return axios.put(`/users/${user.userid}/balance/shortcuts`, sc).then(() => {
@@ -136,6 +136,15 @@ const actions: ActionTree<BalanceInterface, StateInterface> = {
       })
       .finally(() => commit('setLoading', false));
   },
+  getTransactionsCount(
+    { state },
+    payload: {
+      userid?: string;
+      filter?: { limit?: number; offset?: number; from?: Date; to?: Date };
+    }
+  ) {
+    return Promise.resolve(3);
+  },
   getLimit({ rootState, commit }) {
     commit('setLoading');
     axios