refactor: centralize configuration

packages/domain/src/models/crawler.ts

@@ -0,0 +1,66 @@
+import z from "zod";
+
+import { UPDATE_DIRECTIONS } from "../constants";
+
+// schemas
+export const UpdateDirectionSchema = z.enum(UPDATE_DIRECTIONS);
+
+export const TimestampRangeSchema = z
+  .object({
+    end: z.number().int(),
+    start: z.number().int(),
+  })
+  .superRefine((value, ctx) => {
+    if (value.start === 0 || value.end === 0) {
+      ctx.addIssue({
+        code: "custom",
+        message: "Timestamp cannot be zero",
+      });
+    }
+    if (value.end < value.start) {
+      ctx.addIssue({
+        code: "custom",
+        message: "End timestamp must be greater than or equal to start",
+      });
+    }
+  });
+
+export const PageRangeSchema = z
+  .object({
+    end: z.number().int().min(0),
+    start: z.number().int().min(0),
+  })
+  .superRefine((value, ctx) => {
+    if (value.end < value.start) {
+      ctx.addIssue({
+        code: "custom",
+        message: "End page must be greater than or equal to start page",
+      });
+    }
+  });
+
+export const PageSpecSchema = z
+  .string()
+  .regex(/^[0-9]+:[0-9]+$/, "Invalid page range format. Use start:end")
+  .transform((spec) => {
+    const [startText, endText] = spec.split(":");
+    return {
+      end: Number.parseInt(String(endText), 10),
+      start: Number.parseInt(String(startText), 10),
+    };
+  });
+
+export const DateSpecSchema = z
+  .string()
+  .regex(/.+:.+/, "Expected start:end format")
+  .transform((spec) => {
+    const [startRaw, endRaw] = spec.split(":");
+    return { endRaw: String(endRaw), startRaw: String(startRaw) };
+  });
+
+// types
+export type UpdateDirection = z.infer<typeof UpdateDirectionSchema>;
+export type TimestampRange = z.infer<typeof TimestampRangeSchema>;
+export type PageSpec = z.infer<typeof PageSpecSchema>;
+export type DateSpec = z.infer<typeof DateSpecSchema>;
+export type PageRange = z.infer<typeof PageRangeSchema>;