From 2f5da6f771d7c5d8c293cb60c464ab15e37449a5 Mon Sep 17 00:00:00 2001
From: Davis Haupt <davis.haupt@gmail.com>
Date: Sun, 26 Mar 2023 14:56:44 -0400
Subject: [PATCH] added zod

---
 package-lock.json   | 16 ++++++++-
 package.json        |  3 +-
 src/types/schema.ts | 83 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 src/types/schema.ts

diff --git a/package-lock.json b/package-lock.json
index 0ad32b6..f57afb7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,8 @@
                 "obsidian-daily-notes-interface": "^0.9.4",
                 "react": "^17.0.2",
                 "react-dom": "^17.0.2",
-                "rrule": "^2.7.2"
+                "rrule": "^2.7.2",
+                "zod": "^3.21.4"
             },
             "devDependencies": {
                 "@types/co": "^4.6.3",
@@ -9557,6 +9558,14 @@
                 "url": "https://github.com/sponsors/sindresorhus"
             }
         },
+        "node_modules/zod": {
+            "version": "3.21.4",
+            "resolved": "https://registry.npmjs.org/zod/-/zod-3.21.4.tgz",
+            "integrity": "sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw==",
+            "funding": {
+                "url": "https://github.com/sponsors/colinhacks"
+            }
+        },
         "node_modules/zwitch": {
             "version": "2.0.4",
             "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
@@ -16183,6 +16192,11 @@
             "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
             "dev": true
         },
+        "zod": {
+            "version": "3.21.4",
+            "resolved": "https://registry.npmjs.org/zod/-/zod-3.21.4.tgz",
+            "integrity": "sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw=="
+        },
         "zwitch": {
             "version": "2.0.4",
             "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-2.0.4.tgz",
diff --git a/package.json b/package.json
index 0990394..5c0c187 100644
--- a/package.json
+++ b/package.json
@@ -65,6 +65,7 @@
         "obsidian-daily-notes-interface": "^0.9.4",
         "react": "^17.0.2",
         "react-dom": "^17.0.2",
-        "rrule": "^2.7.2"
+        "rrule": "^2.7.2",
+        "zod": "^3.21.4"
     }
 }
diff --git a/src/types/schema.ts b/src/types/schema.ts
new file mode 100644
index 0000000..23e6da0
--- /dev/null
+++ b/src/types/schema.ts
@@ -0,0 +1,83 @@
+import { z, ZodError } from "zod";
+import { DateTime, Duration } from "luxon";
+
+const parsedDate = () =>
+    z.string().transform((val) => DateTime.fromFormat(val, "yyyy-MM-dd"));
+const parsedTime = () =>
+    z.string().transform((val, ctx) => {
+        let parsed = DateTime.fromFormat(val, "h:mm a");
+        if (parsed.invalidReason) {
+            parsed = DateTime.fromFormat(val, "HH:mm");
+        }
+
+        if (parsed.invalidReason) {
+            ctx.addIssue({
+                code: z.ZodIssueCode.custom,
+                message: parsed.invalidReason,
+            });
+            return z.NEVER;
+        }
+
+        return Duration.fromISOTime(
+            parsed.toISOTime({
+                includeOffset: false,
+                includePrefix: false,
+            })
+        );
+    });
+
+const TimeSchema = z.discriminatedUnion("allDay", [
+    z.object({ allDay: z.literal(true) }),
+    z.object({
+        allDay: z.literal(false).optional(),
+        startTime: parsedTime(),
+        endTime: parsedTime(),
+    }),
+]);
+
+const CommonSchema = z.object({ title: z.string(), id: z.string().optional() });
+
+const EventSchema = z.discriminatedUnion("type", [
+    z
+        .object({
+            type: z.literal("single").default("single"),
+            date: parsedDate(),
+            endDate: parsedDate().optional(),
+            completed: z.date().or(z.literal(false)).or(z.literal(null)),
+        })
+        .merge(CommonSchema),
+    z
+        .object({
+            type: z.literal("recurring"),
+            daysOfWeek: z.array(z.enum(["U", "M", "T", "W", "R", "F", "S"])),
+            startRecur: parsedDate().optional(),
+            endRecur: parsedDate().optional(),
+        })
+        .merge(CommonSchema),
+    z
+        .object({
+            type: z.literal("rrule"),
+            startDate: parsedDate(),
+            rrule: z.string(),
+            skipDates: z.array(parsedDate()),
+        })
+        .merge(CommonSchema),
+]);
+
+type EventType = z.infer<typeof EventSchema>;
+type TimeType = z.infer<typeof TimeSchema>;
+
+export type OFCEvent = EventType & TimeType;
+
+export function parseEvent(obj: any): OFCEvent | null {
+    try {
+        const timeInfo = TimeSchema.parse(obj);
+        const eventInfo = EventSchema.parse(obj);
+        return { ...eventInfo, ...timeInfo };
+    } catch (e) {
+        if (e instanceof ZodError) {
+            console.debug("Parsing failed with errors", e.errors);
+        }
+        return null;
+    }
+}