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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | 16x 16x 18x 18x 18x 18x 1x 1x 1x 6x 6x 6x 6x 2x 1x 1x 1x 1x 2x 2x 2x 3x 1x 2x 3x 3x 3x 1x 2x 3x 3x 3x 2x 1x 1x 2x 2x 1x 1x 16x 16x 16x 30x 14x 14x 18x 16x 6x 12x 54x 4x 6x 50x 30x 28x 18x 18x 18x 3x 15x 15x 18x | // @flow import {update, set, merge, isPlainObject, isArray, mapValues, pickBy} from 'lodash'; import type {Action, ActionType} from './types'; import type {CannerSchema} from '../components/types'; /** * change actions to variables which is the argument of graphql mutation */ export default function actionsToVariables(actions: Array<Action<ActionType>>, schema: CannerSchema) { const variables = {payload: {}, where: {}}; actions.forEach(action => { let {path = '', value, id, relation, key} = action.payload; const relationField = genRelationField(schema, key); value = parseArrayToSet(value, relationField); switch(action.type) { case 'CREATE_ARRAY': { // remove null relation const ensureValue = pickBy(value, (v, k) => v !== null && k !== '__typename' && relationField.indexOf(k) === -1); merge(variables.payload, ensureValue); break; } case 'UPDATE_ARRAY': case 'UPDATE_OBJECT': { merge(variables.payload, value); merge(variables.where, {id}); variables.payload = removeTypename(variables.payload); break; } case 'CONNECT': { if (relation && relation.type === 'toMany') { update(variables.payload, path.split('/'), relationField => { Eif (isArray(relationField) || !relationField) { return { connect: [{ id: value.id }] }; } relationField.connect.push({ id: value.id }); return relationField; }); } else { set(variables.payload, path.split('/').concat('connect'), {id: value.id}); } Eif (id) { merge(variables.where, {id}); } break; } case 'CREATE_AND_CONNECT': { if (relation && relation.type === 'toMany') { update(variables.payload, path.split('/').concat('create'), arr => (arr || []).concat(value)); } else { set(variables.payload, path.split('/').concat('create'), value); } merge(variables.where, {id}); break; } case 'DISCONNECT': if (relation && relation.type === 'toMany') { update(variables.payload, path.split('/').concat('disconnect'), arr => (arr || []).concat({id: value.id})); } else { set(variables.payload, path.split('/').concat('disconnect'), true); } Eif (id) { merge(variables.where, {id}); } break; case 'DISCONNECT_AND_DELETE': if (relation && relation.type === 'toMany') { update(variables.payload, path.split('/').concat('delete'), arr => (arr || []).concat(value)); } else { set(variables.payload, path.split('/').concat('delete'), true); } merge(variables.where, {id}); break; case 'DELETE_ARRAY': merge(variables.where, {id}); break; default: break; } }); Eif (isPlainObject(variables.payload)) { delete variables.payload.id; } return variables; } /** * add typename: null in every object */ export function removeTypename(payload: any): any { if (isPlainObject(payload)) { const newPayload = {...payload}; delete newPayload.__typename; return mapValues(newPayload, value => removeTypename(value)); } else if (Array.isArray(payload)) { return payload.map(item => removeTypename(item)); } return payload; } export function addTypename(payload: any): any { if (isArray(payload)) { return payload.map(item => addTypename(item)); } if (isPlainObject(payload)) { return mapValues(payload, (item, key) => { return key === '__typename' ? item : addTypename(item) }); } else { return payload; } } /** * * In canner graphql interface, * an array value should become a object with `set` keyword. * * for examples: * origin payload = { * hobbies: ['basketball', 'swim'] * name: 'James' * } * will become * { * hobbies: { * set: ['basketball', 'swim'] * }, * name: 'James' * } * */ export function parseArrayToSet(payload: any, relationField: Array<string>, key?: string): any { if (isArray(payload) && relationField.indexOf(key) === -1) { return { set: payload.map(v => parseArrayToSet(v, relationField)) }; } else if (isPlainObject(payload)) { return mapValues(payload, (v, k) => parseArrayToSet(v, relationField, k)); } else { return payload } } /** * find the relation field in first level relation */ export function genRelationField(schema: Object, key: string): Array<string> { const keySchema = schema[key]; let items = {}; if (keySchema.type === 'object') { items = keySchema.items; } else Eif (keySchema.type === 'array') { items = keySchema.items.items } else { return []; } return Object.keys(items).filter((field: string) => items[field].type === 'relation'); } |