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states.js
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states.js
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var storage = require('./storage');
var prompts = require('./prompts');
var options = require('./options');
var search = require('./search');
var images = require('./images');
var texttools = require('./texttools');
var request = require('request');
var receive = function (user, text, oid, cb) {
if (oid) {
// postbacks
language = oid.substr(0, 2);
oid = oid.substr(2);
var pid = options[oid][1];
storage.set('state', user, pid, function (err, res) {
var prompt = prompts[pid];
cb(prompt[0], prompt[2].map(function (oid) {
return options[oid][0];
}), prompt[2], language, null);
});
} else {
storage.get('state', user, function (err, res) {
// get state
if (!res) {
trigger_greeting(user, cb);
} else {
act(res);
}
});
}
var act = function (pid) {
if (texttools.checkGreetings(text)) {
trigger_greeting(user, cb);
} else {
prompt = prompts[pid];
if (prompt[1] == 'buttons') {
var options_texts = prompt[2].map(function (oid) {
return options[oid][0];
});
var i = options_texts.indexOf(text);
if (i >= 0) {
var oid = prompt[2][i];
var pid = options[oid][1];
storage.set('state', user, pid, function (err, res) {
var prompt = prompts[pid];
cb(prompt[0], prompt[2].map(function (oid) {
return options[oid][0];
}), prompt[2], null, null);
});
} else {
trigger_search(user, text, cb);
}
} else if (prompt[1] == 'image_search') {
cleantext = texttools.cleanText(text);
if (images[cleantext]) {
storage.set('state', user, 'greeting-p0', function (err, res) {
cb(images[cleantext].text, [], [], null, images[cleantext].image_url);
});
} else {
cb('Couldn\'t find a picture of that--sorry!', [], [], null, null);
getLocalResources("syria", function(list) {
cb('But you can ask some local NGOs in your camp: ' + list, [], [], null, null);
});
}
} else if (prompt[1] == 'search') {
trigger_search(user, text, cb);
} else {
trigger_search(user, text, cb);
}
}
}
}
var getLocalResources = function(country, cb) {
var list = "";
var options = {
url: 'http://data.unhcr.org/api/whos_doing_what_where/settlements.json?instance_id=' + country,
method: 'GET'
};
function callback(error, resp, body) {
console.log(error);
if (!error && resp.statusCode == 200) {
var count = 0;
var settlement = false;
var info = JSON.parse(body, function (key, value) {
if (key === "name" && value.includes("Zaatari")) {
console.log(value + "\n");
settlement = true;
}
if (settlement) {
if (key === "name") {
settlement == false;
}
if (key === "sector_name_en" && count < 5) {
list += " " + value;
count++;
}
if (key === "organization_acronym" && value && count < 5) {
list += " (" + value + "),"
}
}
});
cb(list);
}
}
request(options, callback);
}
var trigger_search = function (user, text, cb) {
search.respond(user, text, function (reply) {
if (reply) {
cb(reply, [], [], null, null);
} else {
trigger_greeting(user, cb);
}
});
}
var trigger_greeting = function (user, cb) {
storage.set('state', user, 'greeting-p0', function (err, res) {
prompt = prompts['greeting-p0'];
cb(prompt[0], prompt[2].map(function (oid) {
return options[oid][0];
}), prompt[2], null, null);
});
}
module.exports = {
'receive': receive,
'trigger_greeting': trigger_greeting
}