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Athanasios authoreda641707c
const fs = require("fs");
const fsprom = require('fs').promises;
const boxIntersect = require("box-intersect");
const path = require('path');
const tempAssets = require("../src/tempAssets");
// const getLayers = (layers) => {
// return new Promise((resolve, reject) => {
// fs.readFile("./assets/assets.json", (err, data) => {
// if (err) {
// reject();
// }
// let assets = JSON.parse(data);
// let requestedLayers = layers.split(",");
// assets = assets.filter(asset => requestedLayers.includes(asset.id));
// assets = assets.filter(asset => asset.scope == "public");
// resolve(assets);
// });
// });
// }
const getLayers = async (layers) => {
let assets = await getAllAssets();
let requestedLayers = layers.split(",");
assets = assets.filter(asset => requestedLayers.includes(asset.id));
assets = assets.filter(asset => asset.scope == "public");
return assets;
}
const getAllAssets = async () => {
try {
let assetsJson = await fsprom.readFile('./assets/assets.json', 'utf8');
let assets = JSON.parse(assetsJson);
let tempassets = await tempAssets.getTempAssets();
assets.push(...tempassets);
return assets;
} catch (error) {
console.log(error);
return error;
}
}
const getIntersectingLayers = (bb, layers) => {
return new Promise((resolve, reject) => {
fs.readFile("./assets/assets.json", (err, data) => {
if (err) {
reject();
}
let assets = JSON.parse(data);
let requestedBB = bb.split(",").map(token => parseFloat(token));
let requestedLayers = layers.split(",");
assets = assets.filter(asset => requestedLayers.includes(asset.id));
assets = assets.filter(asset => asset.scope == "public");
assets = assets.filter(asset => {
let overlaps = boxIntersect([
[...asset.boundingbox],
[...requestedBB]
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]);
if (overlaps.length > 0) {
return true;
}
return false;
});
resolve(assets);
});
});
}
const getIntersecting = (bb) => {
return new Promise((resolve, reject) => {
fs.readFile("./assets/assets.json", (err, data) => {
if (err) {
reject();
}
let assets = JSON.parse(data);
let requestedBB = bb.split(",").map(token => parseFloat(token));
assets = assets.filter(asset => asset.scope == "public");
assets = assets.filter(asset => {
let overlaps = boxIntersect([
[...asset.boundingbox],
[...requestedBB]
]);
if (overlaps.length > 0) {
return true;
}
return false;
});
resolve(assets);
});
});
}
// const allLayersExist = (layers) => {
// if (!layers) return Promise.reject();
// return new Promise((resolve, reject) => {
// fs.readFile("./assets/assets.json", (err, data) => {
// if (err) {
// reject();
// }
// let assets = JSON.parse(data);
// layers = layers.split(",");
// layers.forEach(layer => {
// if (assets.findIndex(asset => asset.id == layer) == -1) {
// reject();
// }
// });
// resolve();
// });
// });
// }
const allLayersExist = async (layers) => {
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if (!layers) return Promise.reject();
let assets = await getAllAssets();
layers = layers.split(",");
layers.forEach(layer => {
if (assets.findIndex(asset => asset.id == layer) == -1) {
return Promise.reject()
}
});
return;
}
// const getPublicLayers = () => {
// return new Promise((resolve, reject) => {
// fs.readFile("./assets/assets.json", (err, data) => {
// let assets = JSON.parse(data);
// assets = assets.filter(asset => asset.scope == "public");
// resolve(assets);
// });
// });
// }
const getPublicLayers = async () => {
let assets = await getAllAssets();
assets = assets.filter(asset => asset.scope == "public");
return assets;
}
const isPublic = (url) => {
return new Promise((resolve, reject) => {
fs.readFile("./assets/assets.json", (err, data) => {
let assets = JSON.parse(data);
assets = assets.filter(asset => {
let parentDir = path.dirname(asset.url);
return !path.relative(parentDir, url).startsWith("..");
});
if (assets.length == 0) {
resolve(false);
return;
}
if (!assets[0].scope == "public") {
resolve(false);
return;
}
resolve(true);
});
});
}
module.exports = { getIntersectingLayers, getIntersecting, allLayersExist, getPublicLayers, isPublic, getLayers };