frontend/src/components/tasks/edit-task.vue

<template>
    <form @submit.prevent="editTaskSubmit()">
        <div class="field">
            <label class="label" for="tasktext">Task Text</label>
            <div class="control">
                <input v-focus :class="{ 'disabled': taskService.loading}" :disabled="taskService.loading" class="input"
                       type="text" id="tasktext" placeholder="The task text is here..." v-model="taskEditTask.text">
            </div>
        </div>
        <div class="field">
            <label class="label" for="taskdescription">Description</label>
            <div class="control">
                <textarea :class="{ 'disabled': taskService.loading}" :disabled="taskService.loading" class="textarea"
                          placeholder="The tasks description goes here..." id="taskdescription"
                          v-model="taskEditTask.description"></textarea>
            </div>
        </div>

        <b>Reminder Dates</b>
        <div class="reminder-input"
             :class="{ 'overdue': (r < nowUnix && index !== (taskEditTask.reminderDates.length - 1))}"
             v-for="(r, index) in taskEditTask.reminderDates" :key="index">
            <flat-pickr
                    :class="{ 'disabled': taskService.loading}"
                    :disabled="taskService.loading"
                    :v-model="taskEditTask.reminderDates"
                    :config="flatPickerConfig"
                    :id="'taskreminderdate' + index"
                    :value="r"
                    :data-index="index"
                    placeholder="Add a new reminder...">
            </flat-pickr>
            <a v-if="index !== (taskEditTask.reminderDates.length - 1)" @click="removeReminderByIndex(index)">
                <icon icon="times"></icon>
            </a>
        </div>

        <div class="field">
            <label class="label" for="taskduedate">Due Date</label>
            <div class="control">
                <flat-pickr
                        :class="{ 'disabled': taskService.loading}"
                        class="input"
                        :disabled="taskService.loading"
                        v-model="taskEditTask.dueDate"
                        :config="flatPickerConfig"
                        id="taskduedate"
                        placeholder="The tasks due date is here...">
                </flat-pickr>
            </div>
        </div>

        <div class="field">
            <label class="label" for="">Duration</label>
            <div class="control columns">
                <div class="column">
                    <flat-pickr
                            :class="{ 'disabled': taskService.loading}"
                            class="input"
                            :disabled="taskService.loading"
                            v-model="taskEditTask.startDate"
                            :config="flatPickerConfig"
                            id="taskduedate"
                            placeholder="Start date">
                    </flat-pickr>
                </div>
                <div class="column">
                    <flat-pickr
                            :class="{ 'disabled': taskService.loading}"
                            class="input"
                            :disabled="taskService.loading"
                            v-model="taskEditTask.endDate"
                            :config="flatPickerConfig"
                            id="taskduedate"
                            placeholder="End date">
                    </flat-pickr>
                </div>
            </div>
        </div>

        <div class="field">
            <label class="label" for="">Repeat after</label>
            <div class="control repeat-after-input columns">
                <div class="column">
                    <input class="input" placeholder="Specify an amount..." v-model="taskEditTask.repeatAfter.amount"/>
                </div>
                <div class="column is-3">
                    <div class="select">
                        <select v-model="taskEditTask.repeatAfter.type">
                            <option value="hours">Hours</option>
                            <option value="days">Days</option>
                            <option value="weeks">Weeks</option>
                            <option value="months">Months</option>
                            <option value="years">Years</option>
                        </select>
                    </div>
                </div>
            </div>
        </div>

        <div class="field">
            <label class="label" for="">Priority</label>
            <div class="control priority-select">
                <div class="select">
                    <select v-model="taskEditTask.priority">
                        <option :value="priorities.UNSET">Unset</option>
                        <option :value="priorities.LOW">Low</option>
                        <option :value="priorities.MEDIUM">Medium</option>
                        <option :value="priorities.HIGH">High</option>
                        <option :value="priorities.URGENT">Urgent</option>
                        <option :value="priorities.DO_NOW">DO NOW</option>
                    </select>
                </div>
            </div>
        </div>

        <div class="field">
            <label class="label">Percent Done</label>
            <div class="control">
                <div class="select">
                    <select v-model.number="taskEditTask.percentDone">
                        <option value="0">0%</option>
                        <option value="0.1">10%</option>
                        <option value="0.2">20%</option>
                        <option value="0.3">30%</option>
                        <option value="0.4">40%</option>
                        <option value="0.5">50%</option>
                        <option value="0.6">60%</option>
                        <option value="0.7">70%</option>
                        <option value="0.8">80%</option>
                        <option value="0.9">90%</option>
                        <option value="1">100%</option>
                    </select>
                </div>
            </div>
        </div>

        <div class="field">
            <label class="label">Color</label>
            <div class="control">
                <verte
                        v-model="taskEditTask.hexColor"
                        menuPosition="top"
                        picker="square"
                        model="hex"
                        :enableAlpha="false"
                        :rgbSliders="true">
                </verte>
            </div>
        </div>

        <div class="field">
            <label class="label" for="">Assignees</label>
            <ul class="assingees">
                <li v-for="(a, index) in taskEditTask.assignees" :key="a.id">
                    {{a.username}}
                    <a @click="deleteAssigneeByIndex(index)">
                        <icon icon="times"/>
                    </a>
                </li>
            </ul>
        </div>

        <div class="field has-addons">
            <div class="control is-expanded">
                <multiselect
                        v-model="newAssignee"
                        :options="foundUsers"
                        :multiple="false"
                        :searchable="true"
                        :loading="listUserService.loading"
                        :internal-search="true"
                        @search-change="findUser"
                        placeholder="Type to search"
                        label="username"
                        track-by="id">
                    <template slot="clear" slot-scope="props">
                        <div class="multiselect__clear" v-if="newAssignee !== null && newAssignee.id !== 0"
                             @mousedown.prevent.stop="clearAllFoundUsers(props.search)"></div>
                    </template>
                    <span slot="noResult">Oops! No user found. Consider changing the search query.</span>
                </multiselect>
            </div>
            <div class="control">
                <a @click="addAssignee" class="button is-primary fullheight">
                                    <span class="icon is-small">
                                        <icon icon="plus"/>
                                    </span>
                </a>
            </div>
        </div>

        <div class="field">
            <label class="label">Labels</label>
            <div class="control">
                <multiselect
                        :multiple="true"
                        :close-on-select="false"
                        :clear-on-select="true"
                        :options-limit="300"
                        :hide-selected="true"
                        v-model="taskEditTask.labels"
                        :options="foundLabels"
                        :searchable="true"
                        :loading="labelService.loading || labelTaskService.loading"
                        :internal-search="true"
                        @search-change="findLabel"
                        @select="addLabel"
                        placeholder="Type to search"
                        label="title"
                        track-by="id"
                        :taggable="true"
                        @tag="createAndAddLabel"
                        tag-placeholder="Add this as new label"
                >
                    <template slot="tag" slot-scope="{ option, remove }">
                                        <span class="tag"
                                              :style="{'background': option.hex_color, 'color': option.textColor}">
                                            <span>{{ option.title }}</span>
                                            <a class="delete is-small" @click="removeLabel(option)"></a>
                                        </span>
                    </template>
                    <template slot="clear" slot-scope="props">
                        <div class="multiselect__clear" v-if="taskEditTask.labels.length"
                             @mousedown.prevent.stop="clearAllLabels(props.search)"></div>
                    </template>
                </multiselect>
            </div>
        </div>

        <div class="field" v-for="(rts, kind ) in task.related_tasks" :key="kind" v-if="rts.length > 0">
            <label class="label">{{ relationKinds[kind] }}</label>
            <div class="tasks noborder">
                <div class="task" v-for="t in rts" :key="t.id">
                    <label>
                     <span class="tasktext" :class="{ 'done': t.done}">
                         {{t.text}}
                     </span>
                    </label>
                    <a class="remove" @click="removeTaskRelation({relation_kind: kind, other_task_id: t.id})">
                        <icon icon="trash-alt"/>
                    </a>
                </div>
            </div>

        </div>

        <div class="field">
            <label class="label">New Task Relation</label>
            <div class="field">
                <div class="control is-expanded">
                    <multiselect
                            v-model="newTaskRelationTask"
                            :options="foundTasks"
                            :multiple="false"
                            :searchable="true"
                            :loading="taskService.loading"
                            :internal-search="true"
                            @search-change="findTasks"
                            placeholder="Type to search"
                            label="text"
                            track-by="id">
                        <template slot="clear" slot-scope="props">
                            <div class="multiselect__clear"
                                 v-if="newTaskRelationTask !== null && newTaskRelationTask.id !== 0"
                                 @mousedown.prevent.stop="clearAllFoundTasks(props.search)"></div>
                        </template>
                        <span slot="noResult">No task found. Consider changing the search query.</span>
                    </multiselect>
                </div>
            </div>
            <div class="field has-addons">
                <div class="control is-expanded">
                    <div class="select is-fullwidth">
                        <select v-model="newTaskRelationKind">
                            <option value="unset">Select a kind of relation</option>
                            <option v-for="(label, rk) in relationKinds" :key="rk" :value="rk">
                                {{ label }}
                            </option>
                        </select>
                    </div>
                </div>
                <div class="control">
                    <a class="button is-primary" @click="addTaskRelation()">Add task Relation</a>
                </div>
            </div>
        </div>

        <button type="submit" class="button is-success is-fullwidth" :class="{ 'is-loading': taskService.loading}">
            Save
        </button>

    </form>
</template>

<script>
	import message from '../../message'
	import flatPickr from 'vue-flatpickr-component'
	import 'flatpickr/dist/flatpickr.css'
	import multiselect from 'vue-multiselect'
	import {differenceWith} from 'lodash'
	import verte from 'verte'
	import 'verte/dist/verte.css'

	import ListService from '../../services/list'
	import TaskService from '../../services/task'
	import TaskModel from '../../models/task'
	import UserModel from '../../models/user'
	import ListUserService from '../../services/listUsers'
	import priorities from '../../models/priorities'
	import LabelTaskService from '../../services/labelTask'
	import LabelService from '../../services/label'
	import LabelTaskModel from '../../models/labelTask'
	import LabelModel from '../../models/label'
	import relationKinds from '../../models/relationKinds'
	import TaskRelationModel from '../../models/taskRelation'
	import TaskRelationService from '../../services/taskRelation'

	export default {
		name: 'edit-task',
		data() {
			return {
				listID: this.$route.params.id,
				listService: ListService,
				taskService: TaskService,

				priorities: priorities,
				list: {},
				newTask: TaskModel,
				isTaskEdit: false,
				taskEditTask: TaskModel,
				lastReminder: 0,
				nowUnix: new Date(),
				flatPickerConfig: {
					altFormat: 'j M Y H:i',
					altInput: true,
					dateFormat: 'Y-m-d H:i',
					enableTime: true,
					onOpen: this.updateLastReminderDate,
					onClose: this.addReminderDate,
				},

				newAssignee: UserModel,
				listUserService: ListUserService,
				foundUsers: [],

				foundTasks: [],
				relationKinds: relationKinds,
				newTaskRelationTask: TaskModel,
				newTaskRelationKind: 'unset',
				taskRelationService: TaskRelationService,

				labelService: LabelService,
				labelTaskService: LabelTaskService,
				foundLabels: [],
				labelTimeout: null,
			}
		},
		components: {
			flatPickr,
			multiselect,
			verte,
		},
		props: {
			task: {
				type: TaskModel,
				required: true,
			}
		},
		watch: {
			task() {
				this.taskEditTask = this.task
			}
		},
		created() {
			this.listService = new ListService()
			this.taskService = new TaskService()
			this.newTask = new TaskModel()
			this.listUserService = new ListUserService()
			this.newAssignee = new UserModel()
			this.labelService = new LabelService()
			this.labelTaskService = new LabelTaskService()
			this.taskRelationService = new TaskRelationService()
			this.newTaskRelationTask = new TaskModel()
			this.taskEditTask = this.task
		},
		methods: {
			editTaskSubmit() {
				this.taskService.update(this.taskEditTask)
					.then(r => {
						this.$set(this, 'taskEditTask', r)
						message.success({message: 'The task was successfully updated.'}, this)
					})
					.catch(e => {
						message.error(e, this)
					})
			},
			updateLastReminderDate(selectedDates) {
				this.lastReminder = +new Date(selectedDates[0])
			},
			addReminderDate(selectedDates, dateStr, instance) {
				let newDate = +new Date(selectedDates[0])

				// Don't update if nothing changed
				if (newDate === this.lastReminder) {
					return
				}

				let index = parseInt(instance.input.dataset.index)
				this.taskEditTask.reminderDates[index] = newDate

				let lastIndex = this.taskEditTask.reminderDates.length - 1
				// put a new null at the end if we changed something
				if (lastIndex === index && !isNaN(newDate)) {
					this.taskEditTask.reminderDates.push(null)
				}
			},
			removeReminderByIndex(index) {
				this.taskEditTask.reminderDates.splice(index, 1)
				// Reset the last to 0 to have the "add reminder" button
				this.taskEditTask.reminderDates[this.taskEditTask.reminderDates.length - 1] = null
			},
			addAssignee() {
				this.taskEditTask.assignees.push(this.newAssignee)
			},
			deleteAssigneeByIndex(index) {
				this.taskEditTask.assignees.splice(index, 1)
			},
			findUser(query) {
				if (query === '') {
					this.clearAllFoundUsers()
					return
				}

				this.listUserService.getAll({listID: this.$route.params.id}, {s: query})
					.then(response => {
						// Filter the results to not include users who are already assigned
						this.$set(this, 'foundUsers', differenceWith(response, this.taskEditTask.assignees, (first, second) => {
							return first.id === second.id
						}))
					})
					.catch(e => {
						message.error(e, this)
					})
			},
			clearAllFoundUsers() {
				this.$set(this, 'foundUsers', [])
			},
			findLabel(query) {
				if (query === '') {
					this.clearAllLabels()
					return
				}

				if (this.labelTimeout !== null) {
					clearTimeout(this.labelTimeout)
				}

				// Delay the search 300ms to not send a request on every keystroke
				this.labelTimeout = setTimeout(() => {
					this.labelService.getAll({}, {s: query})
						.then(response => {
							this.$set(this, 'foundLabels', differenceWith(response, this.taskEditTask.labels, (first, second) => {
								return first.id === second.id
							}))
							this.labelTimeout = null
						})
						.catch(e => {
							message.error(e, this)
						})
				}, 300)
			},
			clearAllLabels() {
				this.$set(this, 'foundLabels', [])
			},
			addLabel(label) {
				let labelTask = new LabelTaskModel({taskID: this.taskEditTask.id, label_id: label.id})
				this.labelTaskService.create(labelTask)
					.then(() => {
						message.success({message: 'The label was successfully added.'}, this)
					})
					.catch(e => {
						message.error(e, this)
					})
			},
			removeLabel(label) {
				let labelTask = new LabelTaskModel({taskID: this.taskEditTask.id, label_id: label.id})
				this.labelTaskService.delete(labelTask)
					.then(() => {
						// Remove the label from the list
						for (const l in this.taskEditTask.labels) {
							if (this.taskEditTask.labels[l].id === label.id) {
								this.taskEditTask.labels.splice(l, 1)
							}
						}
						message.success({message: 'The label was successfully removed.'}, this)
					})
					.catch(e => {
						message.error(e, this)
					})
			},
			createAndAddLabel(title) {
				let newLabel = new LabelModel({title: title})
				this.labelService.create(newLabel)
					.then(r => {
						this.addLabel(r)
						this.taskEditTask.labels.push(r)
					})
					.catch(e => {
						message.error(e, this)
					})
			},
			findTasks(query) {
				if (query === '') {
					this.clearAllFoundTasks()
					return
				}

				this.taskService.getAll({}, {s: query})
					.then(response => {
						this.$set(this, 'foundTasks', response)
					})
					.catch(e => {
						message.error(e, this)
					})
			},
			clearAllFoundTasks() {
				this.$set(this, 'foundTasks', [])
			},
			addTaskRelation() {
				let rel = new TaskRelationModel({
					task_id: this.taskEditTask.id,
					other_task_id: this.newTaskRelationTask.id,
					relation_kind: this.newTaskRelationKind,
				})
				this.taskRelationService.create(rel)
					.then(() => {
						if (!this.taskEditTask.related_tasks[this.newTaskRelationKind]) {
							this.$set(this.taskEditTask.related_tasks, this.newTaskRelationKind, [])
						}
						this.taskEditTask.related_tasks[this.newTaskRelationKind].push(this.newTaskRelationTask)
						this.newTaskRelationKind = 'unset'
						this.newTaskRelationTask = new TaskModel()
						message.success({message: 'The task relation was created successfully'}, this)
					})
					.catch(e => {
						message.error(e, this)
					})
			},
			removeTaskRelation(relation) {
				let rel = new TaskRelationModel({
					relation_kind: relation.relation_kind,
					task_id: this.taskEditTask.id,
					other_task_id: relation.other_task_id,
				})
				this.taskRelationService.delete(rel)
					.then(r => {
						Object.keys(this.taskEditTask.related_tasks).forEach(relationKind  => {
							for (const t in this.taskEditTask.related_tasks[relationKind]) {
								if (this.taskEditTask.related_tasks[relationKind][t].id === relation.other_task_id && relationKind === relation.relation_kind) {
									this.taskEditTask.related_tasks[relationKind].splice(t, 1)
								}
							}
						})
						message.success(r, this)
					})
					.catch(e => {
						message.error(e, this)
					})
			},
		},
	}
</script>

<style scoped>
    form {
        margin-bottom: 1em;
    }
</style>