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import { TypedDocumentNode } from "@graphql-typed-document-node/core";
import { SchemaIntrospector, FieldInfo } from "../services/SchemaIntrospector";
import { logger } from "../logger";
export interface DynamicWorkItem {
id: string;
iid: string;
title: string;
description?: string;
state: string;
workItemType: {
id: string;
name: string;
};
createdAt: string;
updatedAt: string;
closedAt?: string;
webUrl: string;
widgets: Array<{ type: string; [key: string]: unknown }>;
}
export class DynamicWorkItemsQueryBuilder {
private schemaIntrospector: SchemaIntrospector;
constructor(schemaIntrospector: SchemaIntrospector) {
this.schemaIntrospector = schemaIntrospector;
}
/**
* Build a safe WorkItems query based on available schema
*/
public buildWorkItemsQuery(
requestedWidgets?: string[]
): TypedDocumentNode<
{ group: { workItems: { nodes: DynamicWorkItem[] } } },
{ groupPath: string; types?: string[]; first?: number; after?: string }
> {
// Use all available widgets if none specified
const widgets = requestedWidgets ?? this.schemaIntrospector.getAvailableWidgetTypes();
// Filter to only widgets that are actually available
const availableWidgets = widgets.filter(widget =>
this.schemaIntrospector.isWidgetTypeAvailable(widget)
);
logger.info(
{
requested: widgets.length,
available: availableWidgets.length,
widgetTypes: availableWidgets.slice(0, 5),
},
"Building dynamic WorkItems query"
);
const widgetFragments = this.buildWidgetFragments(availableWidgets);
const query = gql`
query GetWorkItems($groupPath: ID!, $types: [IssueType!], $first: Int, $after: String) {
group(fullPath: $groupPath) {
workItems(types: $types, first: $first, after: $after) {
nodes {
id
iid
title
description
state
workItemType {
id
name
}
createdAt
updatedAt
closedAt
webUrl
widgets {
type
${widgetFragments}
}
}
}
}
}
`;
return query as TypedDocumentNode<
{ group: { workItems: { nodes: DynamicWorkItem[] } } },
{ groupPath: string; types?: string[]; first?: number; after?: string }
>;
}
/**
* Build widget fragments based on schema-validated fields
*/
private buildWidgetFragments(widgetTypes: string[]): string {
const fragments: string[] = [];
for (const widgetType of widgetTypes) {
const fragment = this.buildWidgetFragment(widgetType);
if (fragment) {
fragments.push(fragment);
}
}
return fragments.join("\n");
}
/**
* Build a single widget fragment with validated fields
*/
private buildWidgetFragment(widgetType: string): string | null {
const typeName = this.getWidgetTypeName(widgetType);
const fields = this.schemaIntrospector.getFieldsForType(typeName);
if (fields.length === 0) {
return null;
}
// Build safe field selections
const safeFields = this.buildSafeFields(widgetType, fields);
if (safeFields.length === 0) {
return null;
}
return `
... on ${typeName} {
${safeFields.join("\n ")}
}
`;
}
/**
* Convert widget type to GraphQL type name
*/
private getWidgetTypeName(widgetType: string): string {
// Convert SNAKE_CASE to PascalCase
const pascalCase = widgetType
.split("_")
.map(part => part.charAt(0) + part.slice(1).toLowerCase())
.join("");
return `WorkItemWidget${pascalCase}`;
}
/**
* Build safe field selections for a widget type
*/
private buildSafeFields(widgetType: string, fields: FieldInfo[]): string[] {
const safeFields: string[] = [];
// Widget-specific field mappings
const widgetFieldMappings: Record<string, () => string[]> = {
ASSIGNEES: () => this.buildAssigneesFields(),
LABELS: () => this.buildLabelsFields(),
MILESTONE: () => this.buildMilestoneFields(),
DESCRIPTION: () => this.buildDescriptionFields(),
START_AND_DUE_DATE: () => ["startDate", "dueDate"],
WEIGHT: () => ["weight"],
TIME_TRACKING: () => ["timeEstimate", "totalTimeSpent"],
HEALTH_STATUS: () => ["healthStatus"],
COLOR: () => ["color"],
NOTIFICATIONS: () => ["subscribed"],
};
const mapper = widgetFieldMappings[widgetType];
if (mapper) {
return mapper();
}
// Default: include only scalar/enum fields
for (const field of fields) {
if (field.name === "type") continue; // Skip type field as it's already included
if (field.type?.kind === "SCALAR" || field.type?.kind === "ENUM") {
safeFields.push(field.name);
}
}
return safeFields;
}
private buildAssigneesFields(): string[] {
if (this.schemaIntrospector.hasField("WorkItemWidgetAssignees", "assignees")) {
return [
"assignees {",
" nodes {",
" id",
" username",
" name",
" avatarUrl",
" }",
"}",
];
}
return [];
}
private buildLabelsFields(): string[] {
Eif (this.schemaIntrospector.hasField("WorkItemWidgetLabels", "labels")) {
return [
"labels {",
" nodes {",
" id",
" title",
" color",
" description",
" }",
"}",
];
}
return [];
}
private buildMilestoneFields(): string[] {
Eif (this.schemaIntrospector.hasField("WorkItemWidgetMilestone", "milestone")) {
return [
"milestone {",
" id",
" title",
" state",
" dueDate",
" startDate",
" webPath",
"}",
];
}
return [];
}
private buildDescriptionFields(): string[] {
const fields = ["description"];
Eif (this.schemaIntrospector.hasField("WorkItemWidgetDescription", "descriptionHtml")) {
fields.push("descriptionHtml");
}
if (this.schemaIntrospector.hasField("WorkItemWidgetDescription", "edited")) {
fields.push("edited");
}
return fields;
}
/**
* Build a minimal query for basic testing
*/
public buildMinimalQuery(): TypedDocumentNode<
{ group: { workItems: { nodes: DynamicWorkItem[] } } },
{ groupPath: string; first?: number; after?: string }
> {
const query = gql`
query GetWorkItemsMinimal($groupPath: ID!, $first: Int, $after: String) {
group(fullPath: $groupPath) {
workItems(first: $first, after: $after) {
nodes {
id
iid
title
state
workItemType {
id
name
}
widgets {
type
}
}
}
}
}
`;
return query as TypedDocumentNode<
{ group: { workItems: { nodes: DynamicWorkItem[] } } },
{ groupPath: string; first?: number; after?: string }
>;
}
}
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