1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | 2x 88x 88x 88x 88x 92x 92x 92x 10x 10x 10x 28x 28x 28x 10x 82x 10x 10x 10x 20x 20x 20x 10x 72x 4x 4x 4x 4x 4x 68x 4x 4x 4x 4x 4x 4x 4x 4x 64x 640x 62x 62x 62x 92x 2x 2x 88x 36x 36x 36x 36x 4x 4x 4x 6x 6x 6x 4x 4x | // @flow import { forIn } from "lodash"; import { CharGenerator } from "./CharGenerator"; const singlePredicates = { $sw: "STARTS WITH", $ew: "ENDS WITH", $contains: "CONTAINS", $reg: "=~", $eq: "=", $in: "IN", $gt: ">", $gte: ">=", $lt: "<", $lte: "<=", }; function _prepareWhere( props: any, variable: string ): { where: string[], flatProps: any } { const where = []; let flatProps = {}; Iif (!props) { return { where: [], flatProps: {} }; } forIn(props, (v, k) => { const propChar = CharGenerator.next(); let found = false; if (v.$or) { found = true; const whereOr = []; for (const predicate of v.$or) { const tmp = _prepareWhere({ [k]: predicate }, variable); whereOr.push(...tmp.where); flatProps = { ...flatProps, ...tmp.flatProps }; } where.push(`(${whereOr.join(" OR ")})`); } else if (v.$and) { found = true; const whereAnd = []; for (const predicate of v.$and) { const tmp = _prepareWhere({ [k]: predicate }, variable); whereAnd.push(...tmp.where); flatProps = { ...flatProps, ...tmp.flatProps }; } where.push(`(${whereAnd.join(" AND ")})`); } else if (v.$not) { found = true; const tmp = _prepareWhere({ [k]: v.$not }, variable); Eif (tmp.where.length) { where.push(`NOT ${tmp.where[0]}`); flatProps = { ...flatProps, ...tmp.flatProps }; } } else if (v.$between) { found = true; Eif (v.$between.length === 2) { const [num1, num2] = v.$between; const a = propChar; const b = CharGenerator.next(); where.push(`{${a}} <= ${variable}.${k} <= {${b}}`); flatProps[a] = num1 > num2 ? num2 : num1; flatProps[b] = num1 > num2 ? num1 : num2; } // TODO error? flow should actually be able to handle this... } else { forIn(singlePredicates, (predicateString, predicateKey) => { if (v[predicateKey]) { found = true; where.push(`${variable}.${k} ${predicateString} {${propChar}}`); flatProps[propChar] = v[predicateKey]; } }); } if (!found) { where.push(`${variable}.${k} = {${propChar}}`); flatProps[propChar] = v; } }); return { where, flatProps }; } export function prepareWhere( props: any, variable: string ): { where: string, flatProps: any } { CharGenerator.start("a"); const { where, flatProps } = _prepareWhere(props, variable); Iif (where.length === 0) { return { where: "", flatProps: undefined }; } return { where: "WHERE " + where.join(" AND "), flatProps }; } export function prepareSet( variable: string, props: any ): { str: string, newProps: any } { const sets = []; const newProps: any = {}; forIn(props, (v, k) => { Iif (k === "guid") return null; sets.push(`${variable}.${k}={_u${k}}`); newProps[`_u${k}`] = v; }); Iif (!sets.length) throw new Error(`Nothing to update`); return { str: sets.join(", "), newProps }; } |