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Add loading of live data

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This commit is contained in:
Pieter Vander Vennet 2020-10-12 01:25:27 +02:00
parent feab5a19b3
commit 0d6412f824
14 changed files with 291 additions and 35 deletions
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26
UI/SpecialVisualizations.ts
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@ -1,6 +1,8 @@
import {UIElement} from "./UIElement";
import OpeningHoursVisualization from "./OhVisualization";
import {UIEventSource} from "../Logic/UIEventSource";
import {VariableUiElement} from "./Base/VariableUIElement";
import LiveQueryHandler from "../Logic/Web/LiveQueryHandler";
export default class SpecialVisualizations {
@ -8,13 +10,13 @@ export default class SpecialVisualizations {
funcName: string,
constr: ((tagSource: UIEventSource<any>, argument: string[]) => UIElement),
docs: string,
args: {name: string, defaultValue: string, doc: string}[]
args: { name: string, defaultValue?: string, doc: string }[]
}[] =
[{
funcName: "opening_hours_table",
docs: "Creates an opening-hours table. Usage: {opening_hours_table(opening_hours)} to create a table of the tag 'opening_hours'.",
args:[{name:"key", defaultValue: "opening_hours", doc: "The tag from which the table is constructed"}],
args: [{name: "key", defaultValue: "opening_hours", doc: "The tag from which the table is constructed"}],
constr: (tagSource: UIEventSource<any>, args) => {
let keyname = args[0];
if (keyname === undefined || keyname === "") {
@ -24,6 +26,26 @@ export default class SpecialVisualizations {
}
},
{
funcName: "live",
docs: "Downloads a JSON from the given URL, e.g. '{live(example.org/data.json, shorthand:x.y.z, other:a.b.c, shorthand)}' will download the given file, will create an object {shorthand: json[x][y][z], other: json[a][b][c] out of it and will return 'other' or 'json[a][b][c]. This is made to use in combination with tags, e.g. {live({url}, {url:format}, needed_value)}",
args: [{
name: "Url", doc: "The URL to load"
}, {
name: "Shorthands",
doc: "A list of shorthands, of the format 'shorthandname:path.path.path'. Seperated by ;"
}, {
name: "path", doc: "The path (or shorthand) that should be returned"
}],
constr: (tagSource: UIEventSource<any>, args) => {
const url = args[0];
const shorthands = args[1];
const neededValue = args[2];
const source = LiveQueryHandler.FetchLiveData(url, shorthands.split(";"));
return new VariableUiElement(source.map(data => data[neededValue] ?? "Loading..."));
}
}
]
}