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bounds.js
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bounds.js
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#!/usr/bin/env node
'use strict';
const request = require('request');
const prompt = require('prompt');
const auth = require('../util/get_auth');
const EOT = require('../util/eot');
class Query {
constructor(api) {
this.api = api;
}
help() {
console.error();
console.error('Fetch raw data from the server using the bounds API');
console.error();
console.error('Usage: cli.js bounds <subcommand>');
console.error();
console.error('<subcommand>');
console.error(' get Download geometries within a given bounds');
console.error(' stats Get stats for a given bounds');
console.error();
}
/**
* Return stats of geo data within a give bounds
*
* @param {!Object} options options for makign a query to the bounds list endpoint
*
* @param {function} cb (err, res) style callback function
*/
stats(options = {}, cb) {
const self = this;
if (!options) options = {};
if (options.script) {
cb = cli;
return main();
} else if (options.cli) {
cb = cli;
prompt.message = '$';
prompt.start({
stdout: process.stderr
});
let args = [{
name: 'bound',
message: 'bound to download',
required: true,
type: 'string',
default: options.bound
}];
if (self.api.auth_rules && self.api.auth_rules.stats.bounds !== 'public') {
args = args.concat(auth(self.api.user));
}
prompt.get(args, (err, argv) => {
if (err) throw err;
prompt.stop();
if (argv.hecate_username) {
self.api.user = {
username: argv.hecate_username,
password: argv.hecate_password
};
}
options.bound = argv.bound;
return main();
});
} else {
return main();
}
function main() {
if (!options.bound) return cb(new Error('options.bound required'));
request({
method: 'GET',
json: true,
url: `http://${self.api.url}:${self.api.port}/api/data/bounds/${options.bound}/stats`,
auth: self.api.user
}, (err, res) => {
if (err) {
console.error(`error from request: \n${err}`);
return cb(err);
}
if (res.statusCode !== 200) {
console.error(`statusCode was ${res.statusCode}. body: ${JSON.stringify(res.body)}`);
return cb(new Error(res.body));
}
return cb(null, res.body);
});
}
function cli(err, res) {
if (err) throw err;
console.log(JSON.stringify(res, null, 4));
}
}
/**
* Return a list of the bounds that are currently loaded on the server
*
* @param {!Object} options options for makign a query to the bounds list endpoint
*
* @param {function} cb (err, res) style callback function
*/
list(options = {}, cb) {
const self = this;
if (!options) options = {};
if (options.script) {
cb = cli;
return main();
} else if (options.cli) {
cb = cli;
prompt.message = '$';
prompt.start({
stdout: process.stderr
});
let args = [];
if (self.api.auth_rules && self.api.auth_rules.bounds.list !== 'public') {
args = args.concat(auth(self.api.user));
}
prompt.get(args, (err, argv) => {
if (err) throw err;
prompt.stop();
if (argv.hecate_username) {
self.api.user = {
username: argv.hecate_username,
password: argv.hecate_password
};
}
return main();
});
} else {
return main();
}
function main() {
request({
method: 'GET',
json: true,
url: `http://${self.api.url}:${self.api.port}/api/data/bounds`,
auth: self.api.user
}, (err, res) => {
if (err) return cb(err);
if (res.statusCode !== 200) return cb(new Error(res.body));
return cb(null, res.body);
});
}
function cli(err, res) {
if (err) throw err;
console.log(JSON.stringify(res, null, 4));
}
}
/**
* Queries the /api/data/bounds endpoints, returning a
* line-delimited stream of GeoJSON Features
*
* @param {!Object} options Options for making a request to the bounds endpoint
* @param {String} [options.bound] Name of the bound to download from
* @param {Stream} [options.output] Stream to write line-delimited GeoJSON to
*
* @param {function} cb (err, res) style callback function
*/
get(options = {}, cb) {
const self = this;
if (!options) options = {};
if (options.script) {
cb = cli;
options.output = process.stdout;
return main();
} else if (options.cli) {
cb = cli;
prompt.message = '$';
prompt.start({
stdout: process.stderr
});
let args = [{
name: 'bound',
message: 'bound to download',
required: true,
type: 'string',
default: options.bound
}];
if (self.api.auth_rules && self.api.auth_rules.bounds.get !== 'public') {
args = args.concat(auth(self.api.user));
}
prompt.get(args, (err, argv) => {
if (err) throw err;
prompt.stop();
if (argv.hecate_username) {
self.api.user = {
username: argv.hecate_username,
password: argv.hecate_password
};
}
options.output = process.stdout;
options.bound = argv.bound;
return main();
});
} else {
return main();
}
function main() {
if (!options.bound) return cb(new Error('options.bound required'));
if (!options.output) return cb(new Error('options.output required'));
request({
method: 'GET',
url: `http://${self.api.url}:${self.api.port}/api/data/bounds/${options.bound}`,
auth: self.api.user
}).on('error', (err) => {
return cb(err);
}).on('response', (res) => {
if (res.statusCode !== 200) return cb(new Error('Non-200 status code'));
}).pipe(new EOT(cb)).pipe(options.output);
}
function cli(err) {
if (err) throw err;
}
}
/**
* Delete a boundary file
*
* @param {!Object} options Options for making a request to the bounds endpoint
* @param {String} [options.bound] Name of the bound to download from
*
* @param {function} cb (err, res) style callback function
*/
delete(options = {}, cb) {
const self = this;
if (!options) options = {};
if (options.script) {
cb = cli;
return main();
} else if (options.cli) {
cb = cli;
prompt.message = '$';
prompt.start({
stdout: process.stderr
});
let args = [{
name: 'bound',
message: 'bound to delete',
required: true,
type: 'string',
default: options.bound
}];
if (self.api.auth_rules && self.api.auth_rules.bounds.delete !== 'public') {
args = args.concat(auth(self.api.user));
}
prompt.get(args, (err, argv) => {
if (err) throw err;
prompt.stop();
if (argv.hecate_username) {
self.api.user = {
username: argv.hecate_username,
password: argv.hecate_password
};
}
options.bound = argv.bound;
return main();
});
} else {
return main();
}
function main() {
if (!options.bound) return cb(new Error('options.bound required'));
request({
method: 'DELETE',
url: `http://${self.api.url}:${self.api.port}/api/data/bounds/${options.bound}`,
auth: self.api.user
}, (err, res) => {
if (err) return cb(err);
if (res.statusCode !== 200) return cb(new Error(res.body));
return cb(null, true);
});
}
function cli(err) {
if (err) throw err;
console.error('ok - deleted bound');
}
}
/**
* Create or update a boundary file
*
* @param {!Object} options Options for making a request to the bounds endpoint
* @param {String} [options.bound] Name of the bound to download from
* @param {String} [options.geom] JSON Geometry of bound
*
* @param {function} cb (err, res) style callback function
*/
set(options = {}, cb) {
const self = this;
if (!options) options = {};
if (options.script) {
cb = cli;
return main();
} else if (options.cli) {
cb = cli;
prompt.message = '$';
prompt.start({
stdout: process.stderr
});
let args = [{
name: 'bound',
message: 'name of bound to create',
required: true,
type: 'string',
default: options.bound
},{
name: 'geom',
message: 'GeoJSON geometry of bound to create',
required: true,
type: 'string',
default: options.geometry
}];
if (self.api.auth_rules && self.api.auth_rules.bounds.create !== 'public') {
args = args.concat(auth(self.api.user));
}
prompt.get(args, (err, argv) => {
if (err) throw err;
prompt.stop();
if (argv.hecate_username) {
self.api.user = {
username: argv.hecate_username,
password: argv.hecate_password
};
}
options.bound = argv.bound;
options.geom = argv.geom;
return main();
});
} else {
return main();
}
function main() {
if (!options.bound) return cb(new Error('options.bound required'));
if (!options.geom) return cb(new Error('options.geom required'));
request({
method: 'POST',
json: true,
url: `http://${self.api.url}:${self.api.port}/api/data/bounds/${options.bound}`,
body: {
type: 'Feature',
properties: { },
geometry: options.geom.type === 'Feature' ? options.geom.geometry : options.geom
},
auth: self.api.user
}, (err, res) => {
if (err) return cb(err);
if (res.statusCode !== 200) return cb(new Error(res.body));
return cb(null, true);
});
}
function cli(err) {
if (err) throw err;
console.error('ok - set bound');
}
}
}
module.exports = Query;