From 718dad9bd20be3d0c8239961c3e36235f512c674 Mon Sep 17 00:00:00 2001
From: kolaente <k@knt.li>
Date: Tue, 19 Jul 2022 22:55:38 +0200
Subject: [PATCH] feat: add basic implementation of ganttastic

---
 package.json                         |   1 +
 src/components/tasks/gantt-chart.vue | 118 +++++++++++++++++++++++++++
 src/main.ts                          |   3 +
 src/views/list/ListGantt.vue         |   4 +-
 yarn.lock                            |  12 +++
 5 files changed, 136 insertions(+), 2 deletions(-)
 create mode 100644 src/components/tasks/gantt-chart.vue

diff --git a/package.json b/package.json
index d590811af..3fef455a1 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
   },
   "dependencies": {
     "@github/hotkey": "2.0.0",
+    "@infectoone/vue-ganttastic": "^2.0.4",
     "@kyvg/vue3-notification": "2.3.5",
     "@sentry/tracing": "7.7.0",
     "@sentry/vue": "7.7.0",
diff --git a/src/components/tasks/gantt-chart.vue b/src/components/tasks/gantt-chart.vue
new file mode 100644
index 000000000..af88fa378
--- /dev/null
+++ b/src/components/tasks/gantt-chart.vue
@@ -0,0 +1,118 @@
+<template>
+	<g-gantt-chart
+		:chart-start="dateFromFormatted"
+		:chart-end="dateToFormatted"
+		precision="day"
+		bar-start="startDate"
+		bar-end="endDate"
+		:grid="true"
+		@dragend-bar="updateTask"
+	>
+		<g-gantt-row
+			v-for="bar in ganttBars"
+			label=""
+			:bars="bar"
+		/>
+	</g-gantt-chart>
+</template>
+
+<script setup lang="ts">
+import {computed, ref} from 'vue'
+import TaskCollectionService from '@/services/taskCollection'
+import {format} from 'date-fns'
+import {colorIsDark} from '@/helpers/color/colorIsDark'
+import TaskService from '@/services/task'
+
+const dateFormat = 'yyyy-LL-dd kk:mm'
+
+const props = defineProps({
+	listId: {
+		type: Number,
+		required: true,
+	},
+	dateFrom: {
+		default: () => new Date(new Date().setDate(new Date().getDate() - 15)),
+	},
+	dateTo: {
+		default: () => new Date(new Date().setDate(new Date().getDate() + 30)),
+	},
+})
+
+const dateFromFormatted = computed(() => format(props.dateFrom, dateFormat))
+const dateToFormatted = computed(() => format(props.dateTo, dateFormat))
+
+const tasks = ref([])
+
+const ganttBars = ref([])
+
+// We need a "real" ref object for the gantt bars to instantly update the tasks when they are dragged on the chart.
+// A computed won't work directly.
+function mapGanttBars() {
+	const defaultStartDate = '2022-07-19 12:00'
+	const defaultEndDate = '2022-07-25 12:00'
+
+	tasks.value.forEach(t => ganttBars.value.push([{
+		startDate: t.startDate ? format(t.startDate, dateFormat) : defaultStartDate,
+		endDate: t.endDate ? format(t.endDate, dateFormat) : defaultEndDate,
+		ganttBarConfig: {
+			id: t.id,
+			label: t.title,
+			hasHandles: true,
+			style: {
+				color: colorIsDark(t.getHexColor()) ? 'black' : 'white',
+				backgroundColor: t.getHexColor(),
+			},
+		},
+	}]))
+}
+
+async function loadTasks() {
+	tasks.value = new Map()
+
+	const params = {
+		sort_by: ['start_date', 'done', 'id'],
+		order_by: ['asc', 'asc', 'desc'],
+		filter_by: ['done'], // TODO: only load tasks in the current date range
+		filter_comparator: ['equals'],
+		filter_value: ['false'],
+		filter_concat: 'and',
+	}
+
+	const taskCollectionService = new TaskCollectionService()
+
+	const getAllTasks = async (page = 1) => {
+		const tasks = await taskCollectionService.getAll({listId: props.listId}, params, page)
+		if (page < taskCollectionService.totalPages) {
+			const nextTasks = await getAllTasks(page + 1)
+			return tasks.concat(nextTasks)
+		}
+		return tasks
+	}
+
+	const loadedTasks = await getAllTasks()
+
+	loadedTasks
+		.forEach(t => {
+			tasks.value.set(t.id, t)
+		})
+
+	mapGanttBars()
+}
+
+loadTasks()
+
+async function updateTask(e) {
+	const task = tasks.value.get(e.bar.ganttBarConfig.id)
+	task.startDate = e.bar.startDate
+	task.endDate = e.bar.endDate
+	const taskService = new TaskService()
+	await taskService.update(task)
+	// TODO: Loading animation
+}
+</script>
+
+<style>
+.g-gantt-row-label {
+	display: none !important;
+}
+</style>
diff --git a/src/main.ts b/src/main.ts
index 3752d5de7..aded31dc6 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -124,6 +124,9 @@ if (window.SENTRY_ENABLED) {
 	import('./sentry').then(sentry => sentry.default(app, router))
 }
 
+import ganttastic from '@infectoone/vue-ganttastic'
+app.use(ganttastic)
+
 app.use(store)
 app.use(router)
 app.use(i18n)
diff --git a/src/views/list/ListGantt.vue b/src/views/list/ListGantt.vue
index 3373e4950..17fda0705 100644
--- a/src/views/list/ListGantt.vue
+++ b/src/views/list/ListGantt.vue
@@ -49,7 +49,7 @@
 		<template #default>
 			<div class="gantt-chart-container">
 				<card :padding="false" class="has-overflow">
-
+					
 					<gantt-chart
 						:date-from="dateFrom"
 						:date-to="dateTo"
@@ -72,7 +72,7 @@ import {useI18n} from 'vue-i18n'
 import {useStore} from 'vuex'
 
 import ListWrapper from './ListWrapper.vue'
-import GanttChart from '@/components/tasks/gantt-component.vue'
+import GanttChart from '@/components/tasks/gantt-chart.vue'
 import Fancycheckbox from '@/components/input/fancycheckbox.vue'
 
 const props = defineProps({
diff --git a/yarn.lock b/yarn.lock
index d4154c810..740b55e94 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1206,6 +1206,13 @@
   resolved "https://registry.yarnpkg.com/@humanwhocodes/object-schema/-/object-schema-1.2.1.tgz#b520529ec21d8e5945a1851dfd1c32e94e39ff45"
   integrity sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==
 
+"@infectoone/vue-ganttastic@^2.0.4":
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/@infectoone/vue-ganttastic/-/vue-ganttastic-2.0.4.tgz#3f9d8edc7cb01ad4d513cdecc58f63a89545d081"
+  integrity sha512-IKvB6ht/dBwFWzwTKNOLnRBk1OIC6nUXcPX6o7Zt219d28RotukeSRp0EqDEAjTe0UzLA54BX/P5BXgBdqmccw==
+  dependencies:
+    dayjs "^1.10.5"
+
 "@intlify/core-base@9.2.0-beta.40":
   version "9.2.0-beta.40"
   resolved "https://registry.yarnpkg.com/@intlify/core-base/-/core-base-9.2.0-beta.40.tgz#85df2e183b2102716c5d40795848fc2359354580"
@@ -4607,6 +4614,11 @@ dayjs@^1.10.4:
   resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.11.3.tgz#4754eb694a624057b9ad2224b67b15d552589258"
   integrity sha512-xxwlswWOlGhzgQ4TKzASQkUhqERI3egRNqgV4ScR8wlANA/A9tZ7miXa44vTTKEq5l7vWoL5G57bG3zA+Kow0A==
 
+dayjs@^1.10.5:
+  version "1.11.4"
+  resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.11.4.tgz#3b3c10ca378140d8917e06ebc13a4922af4f433e"
+  integrity sha512-Zj/lPM5hOvQ1Bf7uAvewDaUcsJoI6JmNqmHhHl3nyumwe0XHwt8sWdOVAPACJzCebL8gQCi+K49w7iKWnGwX9g==
+
 debounce@^1.2.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/debounce/-/debounce-1.2.1.tgz#38881d8f4166a5c5848020c11827b834bcb3e0a5"