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tasking.js
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tasking.js
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import _filter from 'lodash-es/filter';
import { dispatch as d3_dispatch } from 'd3-dispatch';
import { json as d3_json, text as d3_text } from 'd3-fetch';
import { rendererTaskingManager } from './tasking_manager';
import { taskingProject, taskingTask } from './taskingObjects';
import { managers } from '../../data/taskingManagers.json';
import { utilRebind } from '../util/rebind';
import { services } from '../services';
import rbush from 'rbush';
var apibase = 'http://127.0.0.1:5000/api/v1/'; // TODO: TAH - change to real url when published
var parsers = {
project: function parseProject(json) {
var project = new taskingProject(json);
return project;
},
task: function parseTask(json) {
var task = new taskingTask(json);
return task;
}
};
function getUrlManager(path) {
return managers.find(function(manager) {
return path.includes(manager.urlRoot);
});
}
function parseUrl(url) {
var parsedUrl = {};
// split url into path and params
var splitUrl = url.split('?');
parsedUrl.path = splitUrl[0];
parsedUrl.params = splitUrl[1];
parsedUrl.manager = getUrlManager(parsedUrl.path);
// TODO: TAH - get finish regex to get url type
var project_re = new RegExp(/http:\/\/127.0.0.1:5000\/api\/v1\/project\/[0-9]/);
var task_re = new RegExp(/http:\/\/127.0.0.1:5000\/api\/v1\/project\/[0-9]+\/task\/[0-9]+$/);
var _project = project_re.test(parsedUrl.path);
var _task = task_re.test(parsedUrl.path);
parsedUrl.urlType = _task ? 'task' : _project ? 'project' : undefined;
parsedUrl.url_slugs = url.split('?')[0].split('/');
if (_task) {
parsedUrl.taskId = parsedUrl.url_slugs[parsedUrl.url_slugs.length - 1];
}
if (_project) {
if (_task) {
parsedUrl.projectId = parseInt(parsedUrl.url_slugs[parsedUrl.url_slugs.length - 3], 10);
} else {
parsedUrl.projectId = parseInt(parsedUrl.url_slugs[parsedUrl.url_slugs.length - 1], 10);
}
}
return parsedUrl;
}
export function rendererTasking(context) {
var dispatch = d3_dispatch('loaded', 'loadedProject', 'loadedTask', 'loadedTasks', 'change', 'redraw');
var tasking = utilRebind({}, dispatch, 'on');
var _taskingCache;
var _enabled = false;
var _customSettings = {
template: ''
};
tasking.enabled = function() {
return _enabled;
};
tasking.init = function() {
_taskingCache = {
managers: [],
currentManager: {},
projects: [],
currentProject: {},
tasks: [],
currentTask: {},
customUrl: {}
};
// Add all the available tasking manager sources
_taskingCache.managers = managers.map(function(source) {
return rendererTaskingManager(source);
});
// Add 'Custom'
_taskingCache.managers.push(rendererTaskingManager.Custom());
// Add 'None'
_taskingCache.managers.push(rendererTaskingManager.None());
// set none as starting manager
tasking.currentManager(rendererTaskingManager.None());
};
tasking.reset = function() {
_taskingCache = {
managers: [],
currentManager: {},
projects: [],
currentProject: {},
tasks: [],
currentTask: {},
customUrl: {}
};
// set none as starting manager
tasking.currentManager(rendererTaskingManager.None());
};
tasking.customSettings = function(d) {
if (!arguments.length) return _customSettings;
_customSettings = d;
return tasking;
};
tasking.loadFromURL = function(url) {
var that = this;
// parse url to get type, project, and task (if present)
var parsedUrl = parseUrl(url);
// set in cache
_taskingCache.customUrl = parsedUrl;
switch (parsedUrl.urlType) {
case 'task':
that.loadProject();
break;
case 'project':
that.loadProject();
break;
case undefined:
console.log('undefined url result: ', parsedUrl); // TODO: TAH - better handling of urlType
break;
default:
break;
}
};
tasking.resetCustomUrl = function() {
_taskingCache.customUrl = {};
};
tasking.cache = function() {
return _taskingCache;
};
/* Managers */
tasking.managers = function() {
return _taskingCache.managers;
};
tasking.getManager = function(id) {
return _taskingCache.managers.find(function(d) {
return d.id && d.id === id;
});
};
tasking.currentManager = function(d) {
if (!arguments.length) return _taskingCache.currentManager;
_enabled = d !== tasking.getManager('none');
_taskingCache.currentManager = d;
dispatch.call('change');
dispatch.call('redraw');
return tasking;
};
tasking.currentManagerId = function() {
return _taskingCache.currentManager.id;
};
tasking.resetManager = function () {
_taskingCache.currentManager = {};
};
/* Projects */
tasking.projects = function() {
return _taskingCache.projects;
};
tasking.currentProject = function(d) {
if (!arguments.length) return _taskingCache.currentProject;
// TODO: TAH - handle enabled/disabled
_taskingCache.currentProject = d;
dispatch.call('change');
dispatch.call('redraw');
return tasking;
};
tasking.currentProjectId = function() {
return _taskingCache.currentProject.projectId;
};
tasking.resetProject = function() {
_taskingCache.currentProject = {};
};
tasking.loadProject = function() {
var that = this;
var projectId = _taskingCache.customUrl.projectId;
var path = 'project/' + projectId + '?as_file=false';
var url = apibase + path;
d3_text(url)
.then(function(result) {
if (result) {
// parse project
var json = JSON.parse(result);
var parsedProject = parsers.project(json);
// add to projects array
_taskingCache.projects.push(parsedProject); // TODO: TAH - cache geojson tasks as well
// set as currentProject
that.currentProject(parsedProject);
dispatch.call('loadedProject');
}
// also load task if requested
if (_taskingCache.customUrl.urlType === 'task') {
that.loadTask();
}
})
.catch(function(err) {
console.log('loadTask error: ', err); // TODO: TAH - better handling of errors
});
};
tasking.getProject = function(id) {
return _taskingCache.projects.find(function(project) {
return project.projectId && project.projectId === id;
});
};
/* Tasks */
tasking.tasks = function() {
return _taskingCache.tasks;
};
tasking.currentTask = function(d) {
if (!arguments.length) return _taskingCache.currentTask;
// TODO: TAH - handle enabled/disabled
_taskingCache.currentTask = d;
dispatch.call('change');
dispatch.call('redraw');
return tasking;
};
tasking.currentTaskId = function() {
return _taskingCache.currentTask.taskId;
};
tasking.resetTask = function() {
_taskingCache.currentTask = {};
};
tasking.loadTask = function() {
var that = this;
var projectId = _taskingCache.customUrl.projectId;
var taskId = _taskingCache.customUrl.taskId;
function combineTaskDetails(projectId, json) {
function getTaskGeoJSON(projectId, taskId) {
var _project = that.currentProject() || that.getProject(projectId);
if (!_project) return;
if (_project && _project.tasks && _project.tasks.features && _project.tasks.features.length) {
var features = _project.tasks.features;
// get the task geometry
var taskGeoJSON = _filter(features, function(feature) { return feature.properties.taskId === taskId; })[0];
return taskGeoJSON;
}
}
if (that.currentManager().id === 'HOT' || (that.currentManager().id === 'custom' && _taskingCache.customUrl.manager.id === 'HOT')) {
var taskGeoJSON = getTaskGeoJSON(projectId, json.taskId);
// add json to geojson properties
for (var prop in json) {
if (Object.prototype.hasOwnProperty.call(json, prop)) {
if (json[prop] === undefined) {
delete this[prop];
} else {
taskGeoJSON.properties[prop] = json[prop];
}
}
}
return taskGeoJSON;
}
return '';
}
// load task if it hasn't ben loaded
if (!that.getTask(taskId)) {
var path = 'project/' + projectId + '/task/' + taskId + '?as_file=false';
var url = apibase + path;
d3_text(url)
.then(function(result) {
if (result) {
// parse task
var json = combineTaskDetails(projectId, JSON.parse(result));
var parsedTask = parsers.task(json);
// add to tasks
_taskingCache.tasks.push(parsedTask);
// set as current task
_taskingCache.currentTask = parsedTask;
dispatch.call('loadedTask');
}
})
.catch(function(err) {
console.log('loadTask error: ', err); // TODO: TAH - better handling of errors
});
} else {
// set task if it has already been loaded
that.currentTask(that.getTask(taskId));
// TODO: TAH - figure out if I need the next lines
// if (_taskingCache.task[taskId]) {
// dispatch.call('loadedTask');
// }
}
};
tasking.getTask = function(id) {
return _taskingCache.tasks.find(function(task) {
return task.taskId && task.taskId === id;
});
};
tasking.resetProjectAndTask = function() {
tasking.resetProject();
tasking.resetTask();
};
return tasking;
}