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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | 9x 9x 9x 9x 20x 20x 20x 19x 21x 21x 21x 21x 21x 21x 21x 20x 20x 20x 20x 20x 20x 968x 968x 516x 452x 516x 13x 3x 3x 4x 80x 1x 3x 516x 452x 65x 2x 8x 1x 2x 4x 452x | import neo4js, { Model, ModelInstance } from "./index"; import { relationProperty, lazyModel } from "./Decorators"; import { lazy } from "./utils"; import * as HasMany from "./HasManyRelation"; import * as HasOne from "./HasOneRelation"; export type RelationType = { many: boolean; out?: boolean; any?: boolean; }; export class Relation { relationType: RelationType; src: Model<any, any>; dest: lazyModel<any, any>; propertyName: string; label: string; lazy: relationProperty; constructor(src: Model<any, any>, property: relationProperty) { this.src = src; this.lazy = property; if (lazy(property.relation)) { this.init(); } } /** * Initialise all lazy stuff */ init() { const property = lazy(this.lazy); Iif (!property) return; const relation = lazy(property.relation); Iif (!relation) return; const from = lazy(relation.from); const to = lazy(relation.to); if (!from || !to) return; this.relationType = { many: property.many, out: property.out !== null ? property.out : from === this.src, any: property.any, }; this.dest = lazy(from === this.src ? relation.to : relation.from); Iif (!this.dest) return; this.propertyName = property.propertyName; this.label = relation.via; delete this.lazy; } addFunctionsToInstance<P, M extends ModelInstance<P>>(instance: M): M { if (this.lazy) this.init(); if (this.relationType.many) { return this.addHasManyToInstance(instance); } return this.addHasOneToInstance(instance); } addHasManyToInstance<P, M extends ModelInstance<P>>(instance: M): any { // @ts-ignore instance[this.propertyName] = { get: (props: any, relationProps: any = {}) => HasMany.get.bind(this, instance, this.label, this.relationType)( props, relationProps ), update: ( options: any, whereProps: any, relationProps: any = {}, whereRelationProps: any = {} ) => { const optionsInUse = options.props || options.whereProps || options.relationProps || options.whereRelationProps; return HasMany.update.bind( this, instance, this.label, this.relationType )( optionsInUse ? options.props : options, options.whereProps || whereProps, options.relationProps || relationProps, options.whereRelationProps || whereRelationProps ); }, remove: (props: any, relationProps: any = {}) => HasMany.remove.bind(this, instance, this.label, this.relationType)( props, relationProps ), create: (props: any, relationProps: any = {}) => HasMany.create.bind(this, instance, this.label, this.relationType)( props, relationProps ), add: (instances: any, relationProps: any = {}) => HasMany.add.bind(this, instance, this.label, this.relationType)( instances, relationProps ), count: (props: any, relationProps: any = {}) => HasMany.count.bind(this, instance, this.label, this.relationType)( props, relationProps ), }; return instance; } addHasOneToInstance<P, M extends ModelInstance<P>>(instance: M): any { // @ts-ignore instance[this.propertyName] = { get: () => HasOne.get.bind(this, instance, this.label, this.relationType)(), update: (props: any, label?: string) => HasOne.update.bind(this, instance, this.label, this.relationType)( props ), create: (props: any, label?: string) => HasOne.create.bind(this, instance, this.label, this.relationType)( props ), add: (destInstance: ModelInstance<any>, label?: string) => HasOne.add.bind(this, instance, this.label, this.relationType)( destInstance ), remove: (label?: string) => HasOne.remove.bind(this, instance, this.label, this.relationType)(), hasOne: (label?: string) => HasOne.hasOne.bind(this, instance, this.label, this.relationType)(), }; return instance; } } |