mapcomplete/Models/ThemeConfig/Conversion/FixImages.ts
2022-03-24 03:11:52 +01:00

267 lines
No EOL
12 KiB
TypeScript

import {Conversion, DesugaringStep} from "./Conversion";
import {LayoutConfigJson} from "../Json/LayoutConfigJson";
import {Utils} from "../../../Utils";
import * as metapaths from "../../../assets/layoutconfigmeta.json";
import * as tagrenderingmetapaths from "../../../assets/questionabletagrenderingconfigmeta.json";
import Translations from "../../../UI/i18n/Translations";
export class ExtractImages extends Conversion<LayoutConfigJson, string[]> {
private _isOfficial: boolean;
private _sharedTagRenderings: Map<string, any>;
private static readonly layoutMetaPaths = (metapaths["default"] ?? metapaths)
.filter(mp => (ExtractImages.mightBeTagRendering(mp)) || mp.typeHint !== undefined && (mp.typeHint === "image" || mp.typeHint === "icon"))
private static readonly tagRenderingMetaPaths = (tagrenderingmetapaths["default"] ?? tagrenderingmetapaths)
constructor(isOfficial: boolean, sharedTagRenderings: Map<string, any>) {
super("Extract all images from a layoutConfig using the meta paths.",[],"ExctractImages");
this._isOfficial = isOfficial;
this._sharedTagRenderings = sharedTagRenderings;
}
public static mightBeTagRendering(metapath: {type: string | string[]}) : boolean{
if(!Array.isArray(metapath.type)){
return false
}
return metapath.type.some(t =>
t["$ref"] == "#/definitions/TagRenderingConfigJson" || t["$ref"] == "#/definitions/QuestionableTagRenderingConfigJson")
}
/**
* const images = new ExtractImages(true, new Map<string, any>()).convert(<any>{
* "layers": [
* {
* tagRenderings: [
* {
* "mappings": [
* {
* "if": "bicycle_parking=stands",
* "then": {
* "en": "Staple racks",
* },
* "icon": {
* path: "./assets/layers/bike_parking/staple.svg",
* class: "small"
* }
* },
* {
* "if": "bicycle_parking=stands",
* "then": {
* "en": "Bollard",
* },
* "icon": "./assets/layers/bike_parking/bollard.svg",
* }
* ]
* }
* ]
* }
* ]
* }, "test").result;
* images.length // => 2
* images.findIndex(img => img == "./assets/layers/bike_parking/staple.svg") // => 0
* images.findIndex(img => img == "./assets/layers/bike_parking/bollard.svg") // => 1
*
* // should not pickup rotation, should drop color
* const images = new ExtractImages(true, new Map<string, any>()).convert(<any>{"layers": [{mapRendering: [{"location": ["point", "centroid"],"icon": "pin:black",rotation: 180,iconSize: "40,40,center"}]}]
* }, "test").result
* images.length // => 1
* images[0] // => "pin"
*
*/
convert(json: LayoutConfigJson, context: string): { result: string[], errors: string[], warnings: string[] } {
const allFoundImages : string[] = []
const errors = []
const warnings = []
for (const metapath of ExtractImages.layoutMetaPaths) {
const mightBeTr = ExtractImages.mightBeTagRendering(metapath)
const allRenderedValuesAreImages = metapath.typeHint === "icon" || metapath.typeHint === "image"
const found = Utils.CollectPath(metapath.path, json)
if (mightBeTr) {
// We might have tagRenderingConfigs containing icons here
for (const el of found) {
const path = el.path
const foundImage = el.leaf;
if (typeof foundImage === "string") {
if(!allRenderedValuesAreImages){
continue
}
if(foundImage == ""){
warnings.push(context+"."+path.join(".")+" Found an empty image")
}
if(this._sharedTagRenderings?.has(foundImage)){
// This is not an image, but a shared tag rendering
// At key positions for checking, they'll be expanded already, so we can safely ignore them here
continue
}
allFoundImages.push(foundImage)
} else{
// This is a tagRendering.
// Either every rendered value might be an icon
// or -in the case of a normal tagrendering- only the 'icons' in the mappings have an icon (or exceptionally an '<img>' tag in the translation
for (const trpath of ExtractImages.tagRenderingMetaPaths) {
// Inspect all the rendered values
const fromPath = Utils.CollectPath(trpath.path, foundImage)
const isRendered = trpath.typeHint === "rendered"
const isImage = trpath.typeHint === "icon" || trpath.typeHint === "image"
for (const img of fromPath) {
if (allRenderedValuesAreImages && isRendered) {
// What we found is an image
if(img.leaf === "" || img.leaf["path"] == ""){
warnings.push(context+[...path,...img.path].join(".")+": Found an empty image at ")
}else if(typeof img.leaf !== "string"){
(this._isOfficial ? errors: warnings).push(context+"."+img.path.join(".")+": found an image path that is not a string: " + JSON.stringify(img.leaf))
}else{
allFoundImages.push(img.leaf)
}
}
if(!allRenderedValuesAreImages && isImage){
// Extract images from the translations
allFoundImages.push(...(Translations.T(img.leaf, "extract_images from "+img.path.join(".")).ExtractImages(false)))
}
}
}
}
}
} else {
for (const foundElement of found) {
if(foundElement.leaf === ""){
warnings.push(context+"."+foundElement.path.join(".")+" Found an empty image")
continue
}
allFoundImages.push(foundElement.leaf)
}
}
}
const splitParts = [].concat(...Utils.NoNull(allFoundImages)
.map(img => img["path"] ?? img)
.map(img => img.split(";")))
.map(img => img.split(":")[0])
.filter(img => img !== "")
return {result: Utils.Dedup(splitParts), errors, warnings};
}
}
export class FixImages extends DesugaringStep<LayoutConfigJson> {
private readonly _knownImages: Set<string>;
constructor(knownImages: Set<string>) {
super("Walks over the entire theme and replaces images to the relative URL. Only works if the ID of the theme is an URL",[],"fixImages");
this._knownImages = knownImages;
}
/**
* If the id is an URL to a json file, replaces "./" in images with the path to the json file
*
* const theme = {
* "id": "https://raw.githubusercontent.com/seppesantens/MapComplete-Themes/main/VerkeerdeBordenDatabank/verkeerdeborden.json"
* "layers": [
* {
* "mapRendering": [
* {
* "icon": "./TS_bolt.svg",
* iconBadges: [{
* if: "id=yes",
* then: {
* mappings: [
* {
* if: "id=yes",
* then: "./Something.svg"
* }
* ]
* }
* }],
* "location": [
* "point",
* "centroid"
* ]
* }
* ]
* }
* ],
* }
* const fixed = new FixImages(new Set<string>()).convert(<any> theme, "test").result
* fixed.layers[0]["mapRendering"][0].icon // => "https://raw.githubusercontent.com/seppesantens/MapComplete-Themes/main/VerkeerdeBordenDatabank/TS_bolt.svg"
* fixed.layers[0]["mapRendering"][0].iconBadges[0].then.mappings[0].then // => "https://raw.githubusercontent.com/seppesantens/MapComplete-Themes/main/VerkeerdeBordenDatabank/Something.svg"
*/
convert(json: LayoutConfigJson, context: string): { result: LayoutConfigJson, warnings?: string[] } {
let url: URL;
try {
url = new URL(json.id)
} catch (e) {
// Not a URL, we don't rewrite
return {result: json}
}
const warnings: string[] = []
const absolute = url.protocol + "//" + url.host
let relative = url.protocol + "//" + url.host + url.pathname
relative = relative.substring(0, relative.lastIndexOf("/"))
const self = this;
function replaceString(leaf: string) {
if (self._knownImages.has(leaf)) {
return leaf;
}
if(typeof leaf !== "string"){
warnings.push("Found a non-string object while replacing images: "+JSON.stringify(leaf))
return leaf;
}
if (leaf.startsWith("./")) {
return relative + leaf.substring(1)
}
if (leaf.startsWith("/")) {
return absolute + leaf
}
return leaf;
}
json = Utils.Clone(json)
let paths = metapaths["default"] ?? metapaths
let trpaths = tagrenderingmetapaths["default"] ?? tagrenderingmetapaths
for (const metapath of paths) {
if (metapath.typeHint !== "image" && metapath.typeHint !== "icon") {
continue
}
const mightBeTr = ExtractImages.mightBeTagRendering(metapath)
Utils.WalkPath(metapath.path, json, (leaf, path) => {
if (typeof leaf === "string") {
return replaceString(leaf)
}
if (mightBeTr) {
// We might have reached a tagRenderingConfig containing icons
// lets walk every rendered value and fix the images in there
for (const trpath of trpaths) {
if (trpath.typeHint !== "rendered") {
continue
}
Utils.WalkPath(trpath.path, leaf, (rendered => {
return replaceString(rendered)
}))
}
}
return leaf;
})
}
return {
warnings,
result: json
};
}
}