Query and display weather data for all country
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import moment from "moment";
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import { Accessor, Component, createResource, createSignal } from "solid-js";
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import { apiHost } from "../../consts";
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import { Result } from "./Result";
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export const QueryResult: Component<{
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getStart: Accessor<Date>,
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getEnd: Accessor<Date>,
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getFields: Accessor<string[]>,
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}> = (props) => {
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const queryStart = () => moment(props.getStart()).format("YYYYMMDD_HHmm");
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const queryEnd = () => moment(props.getEnd()).format("YYYYMMDD_HHmm");
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const [getTimestamp, setTimestamp] = createSignal<number>(0);
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const fetchQuery = async (timestamp: number) => {
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if (props.getFields().length === 0) return new Error("ERROR: Select weather parameters!");
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await new Promise(resolve => setTimeout(resolve, 500))
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const response = await fetch(`${apiHost}/api/query/country/${queryStart()}-${queryEnd()}/${props.getFields().join(",")}`);
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const json = await response.json();
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return json;
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}
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const [queryResource] = createResource(getTimestamp, fetchQuery);
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return (
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<div>
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<input
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type="button"
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class="primary"
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value="Query Data"
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onClick={() => setTimestamp(Date.now())}
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/>
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{ queryResource.loading && (
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<div>
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<span class="spinner"></span>
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<span style={{ "padding-left": "16px" }}>Loading query</span>
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</div>
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)}
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{ queryResource.error && (
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<div>Error while querying: ${queryResource.error}</div>
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)}
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{ queryResource() && queryResource() instanceof Error &&
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<div>{ queryResource().message }</div>
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}
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{ queryResource() &&
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<Result result={queryResource} />
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}
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</div>
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);
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}
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@@ -0,0 +1,34 @@
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import { Component, Resource } from "solid-js";
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export interface ResultData {
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[field: string]: [number, number, number, number];
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}
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export const Result: Component<{
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result: Resource<ResultData>
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}> = ({ result: resultResource }) => {
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const countryData = () => Object.entries(resultResource()!)
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.sort((a, b) => a[0] > b[0] ? 1 : -1)
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.map(([field, values]) => <tr>
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<td>{field}</td>
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<td>{values[0]}</td>
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<td>{values[1]}</td>
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<td>{values[2]}</td>
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<td>{values[3]}</td>
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</tr>)
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return (
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<div>
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<table>
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<thead><tr>
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<td>Param</td>
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<td>min</td>
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<td>max</td>
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<td>avg</td>
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<td>sum</td>
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</tr></thead>
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{ countryData() }
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</table>
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</div>
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);
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}
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