swadhinbiswas Fix: Add date validation in analysis.ts to prevent RangeError · 1/20/2026
a7662cd
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/**
* Developer Metrics Schema - Drizzle ORM
* Tracks PR metrics, review efficiency, and stack analytics
*/
import { relations } from "drizzle-orm";
import { boolean, integer, pgTable, text, timestamp } from "drizzle-orm/pg-core";
import { pullRequests } from "./pull-requests";
import { repositories } from "./repositories";
import { users } from "./users";
// Per-PR metrics
export const prMetrics = pgTable("pr_metrics", {
id: text("id").primaryKey(),
pullRequestId: text("pull_request_id")
.notNull()
.references(() => pullRequests.id, { onDelete: "cascade" }),
repositoryId: text("repository_id")
.notNull()
.references(() => repositories.id, { onDelete: "cascade" }),
authorId: text("author_id")
.notNull()
.references(() => users.id),
// Time metrics (in seconds)
timeToFirstReview: integer("time_to_first_review"),
timeToApproval: integer("time_to_approval"),
timeToMerge: integer("time_to_merge"),
totalCycleTime: integer("total_cycle_time"), // First commit to merge
// Review metrics
reviewRounds: integer("review_rounds").default(1),
reviewersCount: integer("reviewers_count").default(0),
commentsCount: integer("comments_count").default(0),
changesRequestedCount: integer("changes_requested_count").default(0),
// Size metrics
linesAdded: integer("lines_added").default(0),
linesRemoved: integer("lines_removed").default(0),
filesChanged: integer("files_changed").default(0),
commits: integer("commits").default(1),
// Stack info
isStacked: boolean("is_stacked").default(false),
stackPosition: integer("stack_position"),
// Timestamps
prCreatedAt: timestamp("pr_created_at"),
firstReviewAt: timestamp("first_review_at"),
approvedAt: timestamp("approved_at"),
mergedAt: timestamp("merged_at"),
createdAt: timestamp("created_at").notNull().defaultNow(),
updatedAt: timestamp("updated_at").notNull().defaultNow(),
});
// Weekly user review metrics (aggregated)
export const reviewMetrics = pgTable("review_metrics", {
id: text("id").primaryKey(),
userId: text("user_id")
.notNull()
.references(() => users.id, { onDelete: "cascade" }),
repositoryId: text("repository_id").references(() => repositories.id, { onDelete: "cascade" }),
// Time period
weekOf: text("week_of").notNull(), // ISO week: "2024-W52"
// Author metrics
prsAuthored: integer("prs_authored").default(0),
prsAuthoredMerged: integer("prs_authored_merged").default(0),
avgTimeToMergeAuthored: integer("avg_time_to_merge_authored"),
linesAuthoredAdded: integer("lines_authored_added").default(0),
linesAuthoredRemoved: integer("lines_authored_removed").default(0),
// Reviewer metrics
prsReviewed: integer("prs_reviewed").default(0),
avgTimeToReview: integer("avg_time_to_review"), // seconds
commentsGiven: integer("comments_given").default(0),
approvalsGiven: integer("approvals_given").default(0),
changesRequestedGiven: integer("changes_requested_given").default(0),
createdAt: timestamp("created_at").notNull().defaultNow(),
updatedAt: timestamp("updated_at").notNull().defaultNow(),
});
// Repository-level weekly metrics (aggregated)
export const repoMetrics = pgTable("repo_metrics", {
id: text("id").primaryKey(),
repositoryId: text("repository_id")
.notNull()
.references(() => repositories.id, { onDelete: "cascade" }),
// Time period
weekOf: text("week_of").notNull(), // ISO week
// Volume
prsOpened: integer("prs_opened").default(0),
prsMerged: integer("prs_merged").default(0),
prsClosed: integer("prs_closed").default(0),
// Efficiency
avgTimeToFirstReview: integer("avg_time_to_first_review"),
avgTimeToMerge: integer("avg_time_to_merge"),
avgReviewRounds: integer("avg_review_rounds"),
// Size
avgLinesChanged: integer("avg_lines_changed"),
avgFilesChanged: integer("avg_files_changed"),
// Stack adoption
stackedPrs: integer("stacked_prs").default(0),
stackedPrsPercentage: integer("stacked_prs_percentage").default(0),
// Contributors
activeAuthors: integer("active_authors").default(0),
activeReviewers: integer("active_reviewers").default(0),
createdAt: timestamp("created_at").notNull().defaultNow(),
});
// Relations
export const prMetricsRelations = relations(prMetrics, ({ one }) => ({
pullRequest: one(pullRequests, {
fields: [prMetrics.pullRequestId],
references: [pullRequests.id],
}),
repository: one(repositories, {
fields: [prMetrics.repositoryId],
references: [repositories.id],
}),
author: one(users, {
fields: [prMetrics.authorId],
references: [users.id],
}),
}));
export const reviewMetricsRelations = relations(reviewMetrics, ({ one }) => ({
user: one(users, {
fields: [reviewMetrics.userId],
references: [users.id],
}),
repository: one(repositories, {
fields: [reviewMetrics.repositoryId],
references: [repositories.id],
}),
}));
export const repoMetricsRelations = relations(repoMetrics, ({ one }) => ({
repository: one(repositories, {
fields: [repoMetrics.repositoryId],
references: [repositories.id],
}),
}));
// Types
export type PrMetric = typeof prMetrics.$inferSelect;
export type NewPrMetric = typeof prMetrics.$inferInsert;
export type ReviewMetric = typeof reviewMetrics.$inferSelect;
export type NewReviewMetric = typeof reviewMetrics.$inferInsert;
export type RepoMetric = typeof repoMetrics.$inferSelect;
export type NewRepoMetric = typeof repoMetrics.$inferInsert;