1 files changed, 89 insertions, 0 deletions
diff --git a/resources/assets/javascripts/lib/RestrictedDatesHelper.ts b/resources/assets/javascripts/lib/RestrictedDatesHelper.ts
new file mode 100644
index 0000000..bcc0af2
--- /dev/null
+++ b/resources/assets/javascripts/lib/RestrictedDatesHelper.ts
@@ -0,0 +1,89 @@
+import { jsonapi } from "./jsonapi";
+
+type RestrictedDate = {
+    year: Number,
+    month: Number,
+    day: Number,
+
+    reason: string | null,
+    lock: boolean
+}
+
+class RestrictedDatesHelper
+{
+    static #loadedYears : Number[] = [];
+    static #restrictedDates: RestrictedDate[] = [];
+
+    static isDateRestricted(date: Date, returnBoolean: Boolean = false): RestrictedDate | Boolean {
+        const restrictedDate : RestrictedDate | undefined = this.#restrictedDates.find(item => {
+            return item.year === date.getFullYear()
+                && item.month === date.getMonth() + 1
+                && item.day === date.getDate();
+        });
+
+        if (returnBoolean) {
+            return !!restrictedDate;
+        }
+
+        return restrictedDate ?? this.#convertDate(date, null, false);
+    }
+
+    static async loadRestrictedDatesByYear(year: Number): Promise<void> {
+        if (this.#loadedYears.includes(year)) {
+            return Promise.reject();
+        }
+
+        this.#loadedYears.push(year);
+
+        jsonapi.withPromises().request('holidays', {data: {
+            'filter[year]': year
+        }}).then((response: [] | Object) => {
+            // Since PHP will return an empty object as an array,
+            // we need to check
+            if (Array.isArray(response)) {
+                return;
+            }
+
+            for (const [date, data] of Object.entries(response)) {
+                this.#addRestrictedDate(
+                    new Date(date),
+                    data.holiday,
+                    data.mandatory
+                );
+            }
+        });
+    }
+
+    static #addRestrictedDate(date: Date, reason: string, lock: boolean = true): void {
+        const restricted = this.#convertDate(date, reason, lock);
+
+        this.#restrictedDates = this.#restrictedDates.filter(item => {
+            return item.year !== restricted.year
+                || item.month !== restricted.month
+                || item.day !== restricted.day;
+        });
+
+        this.#restrictedDates.push(restricted);
+    }
+
+    static removeRestrictedDate(date: Date): void {
+        this.#restrictedDates = this.#restrictedDates.filter(item => {
+            return item.year !== date.getFullYear()
+                || item.month !== date.getMonth() + 1
+                || item.day !== date.getDate();
+        });
+    }
+
+    static #convertDate(date: Date, reason: string | null, lock: boolean): RestrictedDate {
+        return {
+            year: date.getFullYear(),
+            month: date.getMonth() + 1,
+            day: date.getDate(),
+
+            reason,
+            lock
+        };
+    }
+}
+
+export default RestrictedDatesHelper;