@@ -1,5 +1,7 @@
|
||||
import {Kind, visit} from "graphql";
|
||||
|
||||
/* eslint-disable no-loop-func */
|
||||
|
||||
/**
|
||||
* Apply sorters to the AST
|
||||
* @param ast
|
||||
@@ -7,31 +9,53 @@ import {Kind, visit} from "graphql";
|
||||
*/
|
||||
export function applySorters(ast, sorters) {
|
||||
sorters.forEach((sorter) => {
|
||||
const [table, field] = sorter.field.split('.');
|
||||
const fieldPath = sorter.field.split('.');
|
||||
visit(ast, {
|
||||
OperationDefinition: {
|
||||
enter(node) {
|
||||
node.selectionSet.selections.forEach((selection) => {
|
||||
if (selection.name.value === table) {
|
||||
let orderByArg = selection.arguments.find(arg => arg.name.value === 'order_by');
|
||||
if (!orderByArg) {
|
||||
orderByArg = {
|
||||
kind: Kind.ARGUMENT,
|
||||
name: {kind: Kind.NAME, value: 'order_by'},
|
||||
value: {kind: Kind.OBJECT, fields: []}
|
||||
};
|
||||
selection.arguments.push(orderByArg);
|
||||
// Loop through each sorter to apply it
|
||||
// noinspection DuplicatedCode
|
||||
|
||||
let currentSelection = node; // Start with the root operation
|
||||
|
||||
// Navigate down the field path to the correct location
|
||||
for (let i = 0; i < fieldPath.length - 1; i++) {
|
||||
let found = false;
|
||||
visit(currentSelection, {
|
||||
Field: {
|
||||
enter(node) {
|
||||
if (node.name.value === fieldPath[i]) {
|
||||
currentSelection = node; // Move down to the next level
|
||||
found = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
if (!found) break; // Stop if we can't find the next field in the path
|
||||
}
|
||||
|
||||
const sorterField = {
|
||||
kind: Kind.OBJECT_FIELD,
|
||||
name: {kind: Kind.NAME, value: field},
|
||||
value: {kind: Kind.ENUM, value: sorter.direction} // 'asc' for ascending order, 'desc' for descending order
|
||||
// Apply the sorter at the correct level
|
||||
if (currentSelection) {
|
||||
const targetFieldName = fieldPath[fieldPath.length - 1];
|
||||
let orderByArg = currentSelection.arguments.find(arg => arg.name.value === 'order_by');
|
||||
if (!orderByArg) {
|
||||
orderByArg = {
|
||||
kind: Kind.ARGUMENT,
|
||||
name: { kind: Kind.NAME, value: 'order_by' },
|
||||
value: { kind: Kind.OBJECT, fields: [] },
|
||||
};
|
||||
|
||||
orderByArg.value.fields.push(sorterField);
|
||||
currentSelection.arguments.push(orderByArg);
|
||||
}
|
||||
});
|
||||
|
||||
const sorterField = {
|
||||
kind: Kind.OBJECT_FIELD,
|
||||
name: { kind: Kind.NAME, value: targetFieldName },
|
||||
value: { kind: Kind.ENUM, value: sorter.direction }, // Adjust if your schema uses a different type for sorting directions
|
||||
};
|
||||
|
||||
// Add the new sorter condition
|
||||
orderByArg.value.fields.push(sorterField);
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
@@ -42,49 +66,90 @@ export function applySorters(ast, sorters) {
|
||||
* Apply filters to the AST
|
||||
* @param ast
|
||||
* @param filters
|
||||
* @param filterFields
|
||||
*/
|
||||
export function applyFilters(ast, filters, filterFields) {
|
||||
filters.forEach((filter) => {
|
||||
const struct = filter.field.split('.');
|
||||
visit(ast, {
|
||||
OperationDefinition: {
|
||||
enter(node) {
|
||||
node.selectionSet.selections.forEach((selection) => {
|
||||
if (selection.name.value === struct[0]) {
|
||||
let whereArg = selection.arguments.find(arg => arg.name.value === 'where');
|
||||
export function applyFilters(ast, filters) {
|
||||
return visit(ast, {
|
||||
OperationDefinition: {
|
||||
enter(node) {
|
||||
// Loop through each filter to apply it
|
||||
filters.forEach(filter => {
|
||||
const fieldPath = filter.field.split('.');
|
||||
let currentSelection = node; // Start with the root operation
|
||||
|
||||
if (!whereArg) {
|
||||
whereArg = {
|
||||
kind: Kind.ARGUMENT,
|
||||
name: {kind: Kind.NAME, value: 'where'},
|
||||
value: {kind: Kind.OBJECT, fields: []}
|
||||
};
|
||||
selection.arguments.push(whereArg);
|
||||
}
|
||||
|
||||
const filterField = {
|
||||
kind: Kind.OBJECT_FIELD,
|
||||
name: {kind: Kind.NAME, value: struct[1]},
|
||||
value: {
|
||||
kind: Kind.OBJECT,
|
||||
fields: [{
|
||||
kind: Kind.OBJECT_FIELD,
|
||||
name: {kind: Kind.NAME, value: filter.operator},
|
||||
value: {kind: Kind.STRING, value: filter.value}
|
||||
}]
|
||||
// Navigate down the field path to the correct location
|
||||
for (let i = 0; i < fieldPath.length - 1; i++) {
|
||||
let found = false;
|
||||
visit(currentSelection, {
|
||||
Field: {
|
||||
enter(node) {
|
||||
if (node.name.value === fieldPath[i]) {
|
||||
currentSelection = node; // Move down to the next level
|
||||
found = true;
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
});
|
||||
if (!found) break; // Stop if we can't find the next field in the path
|
||||
}
|
||||
|
||||
filterFields.push({kind: Kind.OBJECT, fields: [filterField]});
|
||||
// Apply the filter at the correct level
|
||||
if (currentSelection) {
|
||||
const targetFieldName = fieldPath[fieldPath.length - 1];
|
||||
let whereArg = currentSelection.arguments.find(arg => arg.name.value === 'where');
|
||||
if (!whereArg) {
|
||||
whereArg = {
|
||||
kind: Kind.ARGUMENT,
|
||||
name: { kind: Kind.NAME, value: 'where' },
|
||||
value: { kind: Kind.OBJECT, fields: [] },
|
||||
};
|
||||
currentSelection.arguments.push(whereArg);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
const filterValue = {
|
||||
kind: getGraphQLKind(filter.value),
|
||||
value: filter.value,
|
||||
};
|
||||
|
||||
const filterField = {
|
||||
kind: Kind.OBJECT_FIELD,
|
||||
name: { kind: Kind.NAME, value: targetFieldName },
|
||||
value: {
|
||||
kind: Kind.OBJECT,
|
||||
fields: [{
|
||||
kind: Kind.OBJECT_FIELD,
|
||||
name: { kind: Kind.NAME, value: filter.operator },
|
||||
value: filterValue,
|
||||
}],
|
||||
},
|
||||
};
|
||||
|
||||
// Add the new filter condition
|
||||
whereArg.value.fields.push(filterField);
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the GraphQL kind for a value
|
||||
* @param value
|
||||
* @returns {Kind|Kind.INT}
|
||||
*/
|
||||
function getGraphQLKind(value) {
|
||||
if (typeof value === 'number') {
|
||||
return value % 1 === 0 ? Kind.INT : Kind.FLOAT;
|
||||
} else if (typeof value === 'boolean') {
|
||||
return Kind.BOOLEAN;
|
||||
} else if (typeof value === 'string') {
|
||||
return Kind.STRING;
|
||||
}
|
||||
// Extend with more types as needed
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Wrap filters in an 'and' object
|
||||
* @param ast
|
||||
@@ -112,3 +177,4 @@ export function wrapFiltersInAnd(ast, filterFields) {
|
||||
});
|
||||
}
|
||||
|
||||
/* eslint-enable no-loop-func */
|
||||
|
||||
Reference in New Issue
Block a user