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1 | 1 | import type { ISortingOption, Report } from "@/types"; |
2 | 2 | import type Fuse from "fuse.js"; |
| 3 | + |
3 | 4 | export const filterReports = ( |
4 | 5 | reports: Report[], |
5 | 6 | filters: [string, string][], |
6 | 7 | fuse: Fuse<Report> |
7 | 8 | ) => { |
8 | | - return filters.reduce((filteredReports, [key, value]) => { |
9 | | - switch (key) { |
10 | | - case "q": { |
11 | | - const searchResults = fuse.search(value); |
12 | | - return searchResults.map((result) => result.item); |
13 | | - } |
14 | | - case "state": { |
15 | | - const states = filters |
16 | | - .filter(([filterKey]) => filterKey === "state") |
17 | | - .map(([, filterValue]) => filterValue); |
18 | | - return filteredReports.filter((report) => |
19 | | - states.includes(report.state) |
20 | | - ); |
21 | | - } |
22 | | - case "min": |
23 | | - return filteredReports.filter( |
24 | | - (report) => |
25 | | - report.totalCost - report.fundedSoFar >= Number.parseInt(value, 10) |
26 | | - ); |
27 | | - case "max": |
28 | | - return filteredReports.filter( |
29 | | - (report) => |
30 | | - report.totalCost - report.fundedSoFar <= Number.parseInt(value, 10) |
31 | | - ); |
32 | | - case "category": |
33 | | - return filteredReports.filter((report) => report.category === value); |
34 | | - case "outlet": { |
35 | | - const outlets = filters |
36 | | - .filter(([filterKey]) => filterKey === "outlet") |
37 | | - .map(([, filterValue]) => |
38 | | - decodeURIComponent(filterValue).toLowerCase() |
39 | | - ); |
40 | | - return filteredReports.filter((report) => { |
41 | | - if (!report.contributors.length) return false; |
42 | | - const outletName = report.contributors[0].toLowerCase(); |
43 | | - return outlets.includes(outletName); |
44 | | - }); |
45 | | - } |
46 | | - default: |
47 | | - return filteredReports; |
| 9 | + // search first |
| 10 | + let searchedReports = reports; |
| 11 | + const searchQuery = filters.find(([filterKey]) => filterKey === "q")?.[1]; |
| 12 | + if (searchQuery) { |
| 13 | + const searchResults = fuse.search(searchQuery); |
| 14 | + searchedReports = searchResults.map((result) => result.item); |
| 15 | + } |
| 16 | + |
| 17 | + // pre-process filters |
| 18 | + const statesSet = new Set( |
| 19 | + filters |
| 20 | + .filter(([filterKey]) => filterKey === "state") |
| 21 | + .map(([, filterValue]) => filterValue) |
| 22 | + ); |
| 23 | + const outletsSet = new Set( |
| 24 | + filters |
| 25 | + .filter(([filterKey]) => filterKey === "outlet") |
| 26 | + .map(([, filterValue]) => decodeURIComponent(filterValue).toLowerCase()) |
| 27 | + ); |
| 28 | + |
| 29 | + const minAmountFromFilter = filters.find( |
| 30 | + ([filterKey]) => filterKey === "min" |
| 31 | + )?.[1]; |
| 32 | + const maxAmountFromFilter = filters.find( |
| 33 | + ([filterKey]) => filterKey === "max" |
| 34 | + )?.[1]; |
| 35 | + const minAmount = minAmountFromFilter |
| 36 | + ? Number.parseInt(minAmountFromFilter, 10) |
| 37 | + : null; |
| 38 | + const maxAmount = maxAmountFromFilter |
| 39 | + ? Number.parseInt(maxAmountFromFilter, 10) |
| 40 | + : null; |
| 41 | + |
| 42 | + return searchedReports.filter((report) => { |
| 43 | + const remainingCost = report.totalCost - report.fundedSoFar; |
| 44 | + // check state filter |
| 45 | + if (statesSet.size > 0 && !statesSet.has(report.state)) return false; |
| 46 | + // check outlet filter |
| 47 | + if (outletsSet.size > 0 && report.contributors.length) { |
| 48 | + const outletName = report.contributors[0].toLowerCase(); |
| 49 | + if (!outletName || !outletsSet.has(outletName)) return false; |
| 50 | + } |
| 51 | + // check category |
| 52 | + if ( |
| 53 | + filters.some( |
| 54 | + ([key, value]) => key === "category" && report.category !== value |
| 55 | + ) |
| 56 | + ) { |
| 57 | + return false; |
48 | 58 | } |
49 | | - }, reports); |
| 59 | + |
| 60 | + // check min and max amount filter |
| 61 | + if (minAmount !== null && remainingCost < minAmount) return false; |
| 62 | + if (maxAmount !== null && remainingCost > maxAmount) return false; |
| 63 | + |
| 64 | + return true; |
| 65 | + }); |
50 | 66 | }; |
51 | 67 |
|
52 | 68 | export const createFilterOptions = (reports: Report[]) => { |
53 | | - const uniqueCategories = reports |
54 | | - .map((report: Report, index: number) => ({ |
| 69 | + const uniqueCategoriesMap = new Map(); |
| 70 | + const uniqueOutletsMap = new Map(); |
| 71 | + const uniqueStatesMap = new Map(); |
| 72 | + const amountsNeeded = []; |
| 73 | + |
| 74 | + for (let i = 0; i < reports.length; i++) { |
| 75 | + const report = reports[i]; |
| 76 | + uniqueCategoriesMap.set(report.category, { |
55 | 77 | label: report.category, |
56 | 78 | value: report.category, |
57 | | - })) |
58 | | - .filter( |
59 | | - ({ value }, index, self) => |
60 | | - index === self.findIndex((obj) => obj.value === value) |
61 | | - ); |
62 | | - |
63 | | - const uniqueOutlets = reports |
64 | | - .map((report: Report) => report.contributors[0]) |
65 | | - .filter((outlet) => outlet && outlet.length > 0) |
66 | | - .map((outlet: string) => ({ |
67 | | - label: outlet, |
68 | | - value: encodeURIComponent(outlet).toLowerCase(), |
69 | | - })) |
70 | | - .filter( |
71 | | - ({ value }, index, self) => |
72 | | - index === self.findIndex((obj) => obj.value === value) |
73 | | - ); |
74 | | - |
75 | | - const uniqueStates = reports |
76 | | - .map((report: Report, index: number) => ({ |
| 79 | + }); |
| 80 | + if (report.contributors[0] && report.contributors[0].length > 0) { |
| 81 | + uniqueOutletsMap.set(report.contributors[0].toLowerCase(), { |
| 82 | + label: report.contributors[0], |
| 83 | + value: encodeURIComponent(report.contributors[0]).toLowerCase(), |
| 84 | + }); |
| 85 | + } |
| 86 | + uniqueStatesMap.set(report.state, { |
77 | 87 | label: report.state, |
78 | 88 | value: report.state, |
79 | | - })) |
80 | | - .filter( |
81 | | - ({ value }, index, self) => |
82 | | - index === self.findIndex((obj) => obj.value === value) |
83 | | - ); |
| 89 | + }); |
| 90 | + amountsNeeded.push(report.totalCost - report.fundedSoFar || 0); |
| 91 | + } |
84 | 92 |
|
85 | | - const amountsNeeded = reports.map( |
86 | | - (report: Report) => report.totalCost - report.fundedSoFar || 0 |
87 | | - ); |
| 93 | + const uniqueCategories = Array.from(uniqueCategoriesMap.values()); |
| 94 | + const uniqueOutlets = Array.from(uniqueOutletsMap.values()); |
| 95 | + const uniqueStates = Array.from(uniqueStatesMap.values()); |
88 | 96 | const minAmountNeeded = Math.min(...amountsNeeded); |
89 | 97 | const maxAmountNeeded = Math.max(...amountsNeeded); |
90 | 98 |
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