66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
const got = require('@/utils/got');
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module.exports = async (ctx) => {
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let type = Number(ctx.params.type);
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type = type ? type : 1;
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const baseUrl = 'http://www.ceic.ac.cn';
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const api = `${baseUrl}/ajax/speedsearch?num=${type}`;
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const mappings = {
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O_TIME: '发震时刻(UTC+8)',
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LOCATION_C: '参考位置',
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M: '震级(M)',
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EPI_LAT: '纬度(°)',
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EPI_LON: '经度(°)',
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EPI_DEPTH: '深度(千米)',
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SAVE_TIME: '录入时间',
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};
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const typeMappings = {
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1: '最近24小时地震信息',
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2: '最近48小时地震信息',
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3: '最近7天地震信息',
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4: '最近30天地震信息',
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5: '最近一年3.0级以上地震信息',
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6: '最近一年地震信息',
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7: '最近一年3.0级以下地震',
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8: '最近一年4.0级以上地震信息',
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9: '最近一年5.0级以上地震信息',
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0: '最近一年6.0级以上地震信息',
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};
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// 因为item数量限制20，所以对于RSS来说为无用类型，防止浪费资源
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const disabledType = [3, 4, 6];
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if (disabledType.includes(type)) {
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type = 1;
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}
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const typeName = typeMappings[type];
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const response = await got(api);
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const data = response.data;
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let json = JSON.parse(data.substring(1, data.length - 1)).shuju;
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if (json.length > 20) {
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json = json.slice(0, 20);
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}
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ctx.state.data = {
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title: typeName,
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link: `${baseUrl}/speedsearch`,
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item: json.map((entity) => {
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const contentBuilder = [];
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const { NEW_DID } = entity;
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for (const mappingsKey in mappings) {
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contentBuilder.push(`${mappings[mappingsKey]} ${entity[mappingsKey]}`);
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}
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return {
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title: `${entity.LOCATION_C}发生${entity.M}级地震`,
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link: `${baseUrl}/${NEW_DID}.html`,
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pubDate: new Date(entity.O_TIME).toUTCString(),
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description: contentBuilder.join('<br>'),
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guid: NEW_DID,
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};
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}),
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};
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};
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