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* Dashboard data selectors — derive KPIs, attention lists, and rollups
* from the live Grackle state (sessions, tasks, environments, workspaces).
*/
import type { Environment, Session, TaskData, Workspace } from "../hooks/types.js";
// ─── KPI computation ────────────────────────────────────────────────────────
/** Summary KPIs surfaced across the top of the dashboard. */
export interface DashboardKpis {
activeSessions: number;
blockedTasks: number;
attentionTasks: number;
unhealthyEnvironments: number;
}
/** Compute dashboard KPI counts from live state. */
export function computeKpis(
sessions: Session[],
tasks: TaskData[],
environments: Environment[],
): DashboardKpis {
const activeSessions = sessions.filter(
(s) => s.status === "running" || s.status === "idle" || s.status === "waiting",
).length;
const taskStatusById = buildTaskStatusMap(tasks);
const blockedTasks = tasks.filter((t) => isTaskBlocked(t, taskStatusById)).length;
const attentionTasks = tasks.filter(
(t) => t.status === "paused" || t.status === "failed" || isTaskBlocked(t, taskStatusById),
).length;
const unhealthyEnvironments = environments.filter(
(e) => e.status === "disconnected" || e.status === "error",
).length;
return { activeSessions, blockedTasks, attentionTasks, unhealthyEnvironments };
}
// ─── Task helpers ───────────────────────────────────────────────────────────
/** Build a lookup map of task-id → status. */
function buildTaskStatusMap(tasks: TaskData[]): Map<string, string> {
const map = new Map<string, string>();
for (const t of tasks) {
map.set(t.id, t.status);
}
return map;
}
/** Returns true if the task has unresolved (non-complete) dependencies. */
function isTaskBlocked(task: TaskData, statusMap: Map<string, string>): boolean {
return task.dependsOn.some((depId) => statusMap.get(depId) !== "complete");
}
/** A task that needs operator attention (blocked, paused, or failed). */
export interface AttentionTask {
task: TaskData;
reason: "blocked" | "paused" | "failed";
workspaceName: string;
}
/** Collect tasks requiring attention, ordered: failed → blocked → paused. */
export function getAttentionTasks(tasks: TaskData[], workspaces: Workspace[]): AttentionTask[] {
const wsMap = new Map<string, Workspace>();
for (const ws of workspaces) {
wsMap.set(ws.id, ws);
}
const taskStatusMap = buildTaskStatusMap(tasks);
const result: AttentionTask[] = [];
for (const task of tasks) {
const workspaceName = task.workspaceId
? (wsMap.get(task.workspaceId)?.name ?? "Unknown")
: "Unknown";
if (task.status === "failed") {
result.push({ task, reason: "failed", workspaceName });
} else if (isTaskBlocked(task, taskStatusMap)) {
result.push({ task, reason: "blocked", workspaceName });
} else if (task.status === "paused") {
result.push({ task, reason: "paused", workspaceName });
}
}
// Sort: failed first, then blocked, then paused
const ORDER: Record<string, number> = { failed: 0, blocked: 1, paused: 2 };
result.sort((a, b) => (ORDER[a.reason] ?? 3) - (ORDER[b.reason] ?? 3));
return result;
}
// ─── Active sessions with context ───────────────────────────────────────────
/** A session enriched with display context. */
export interface ActiveSession {
session: Session;
environmentName: string;
}
/** Get active sessions (running/idle/waiting) with resolved environment names. */
export function getActiveSessions(
sessions: Session[],
environments: Environment[],
): ActiveSession[] {
const envMap = new Map<string, Environment>();
for (const e of environments) {
envMap.set(e.id, e);
}
return sessions
.filter((s) => s.status === "running" || s.status === "idle" || s.status === "waiting")
.map((session) => ({
session,
environmentName: envMap.get(session.environmentId)?.displayName ?? "Unknown",
}));
}
// ─── Workspace snapshots ────────────────────────────────────────────────────
/** Progress rollup for a single workspace. */
export interface WorkspaceSnapshot {
workspace: Workspace;
totalTasks: number;
completedTasks: number;
workingTasks: number;
failedTasks: number;
}
/** Build progress snapshots for each workspace. */
export function getWorkspaceSnapshots(
workspaces: Workspace[],
tasks: TaskData[],
_environments: Environment[],
): WorkspaceSnapshot[] {
const statsByWorkspace = new Map<
string,
{
totalTasks: number;
completedTasks: number;
workingTasks: number;
failedTasks: number;
}
>();
for (const task of tasks) {
if (!task.workspaceId) {
continue;
}
let stats = statsByWorkspace.get(task.workspaceId);
if (!stats) {
stats = {
totalTasks: 0,
completedTasks: 0,
workingTasks: 0,
failedTasks: 0,
};
statsByWorkspace.set(task.workspaceId, stats);
}
stats.totalTasks += 1;
if (task.status === "complete") {
stats.completedTasks += 1;
} else if (task.status === "working") {
stats.workingTasks += 1;
} else if (task.status === "failed") {
stats.failedTasks += 1;
}
}
return workspaces.map((workspace) => {
const stats = statsByWorkspace.get(workspace.id) ?? {
totalTasks: 0,
completedTasks: 0,
workingTasks: 0,
failedTasks: 0,
};
return {
workspace,
totalTasks: stats.totalTasks,
completedTasks: stats.completedTasks,
workingTasks: stats.workingTasks,
failedTasks: stats.failedTasks,
};
});
}
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