From b24f969cecef9a69b1d64163369af5fee61cb3dc Mon Sep 17 00:00:00 2001
From: Araozu <faraoz@unsa.edu.pe>
Date: Fri, 1 Sep 2023 22:50:24 -0500
Subject: [PATCH] [FE] Fetch custom labels from BE.

---
 backend/sql/schema.sql                        |   2 +-
 .../certs/NewRegister/CustomLabelSelect.tsx   | 110 ++++++++++++++++++
 frontend/src/types/CustomLabel.ts             |   4 +
 frontend/src/utils/allCustomLabels.ts         |  19 +++
 4 files changed, 134 insertions(+), 1 deletion(-)
 create mode 100644 frontend/src/certs/NewRegister/CustomLabelSelect.tsx
 create mode 100644 frontend/src/types/CustomLabel.ts
 create mode 100644 frontend/src/utils/allCustomLabels.ts

diff --git a/backend/sql/schema.sql b/backend/sql/schema.sql
index 3779938..85329c3 100644
--- a/backend/sql/schema.sql
+++ b/backend/sql/schema.sql
@@ -56,7 +56,7 @@ ALTER TABLE register MODIFY COLUMN register_custom_label INTEGER NOT NULL DEFAUL
 UPDATE register SET register_custom_label = 1;
 
 -- Add constraint after all values are set to empty label
-ALTER TABLE register CONSTRAINT fk_register_custom_label
+ALTER TABLE register ADD CONSTRAINT fk_register_custom_label
     FOREIGN KEY (register_custom_label) 
     REFERENCES custom_label(custom_label_id);
 
diff --git a/frontend/src/certs/NewRegister/CustomLabelSelect.tsx b/frontend/src/certs/NewRegister/CustomLabelSelect.tsx
new file mode 100644
index 0000000..6d4ad25
--- /dev/null
+++ b/frontend/src/certs/NewRegister/CustomLabelSelect.tsx
@@ -0,0 +1,110 @@
+import { createEffect, createSignal, For, onMount } from "solid-js";
+import { allCourses } from "../../utils/allCourses";
+
+export function CustomLabelSelect(props: {
+    onChange: (id: number | null) => void,
+    count: number
+}) {
+    const [filter, setFilter] = createSignal("");
+    const [selected, setSelected] = createSignal<number | null>(null);
+    const [inputValue, setInputValue] = createSignal("");
+
+    const iHandler = (ev: KeyboardEvent & {currentTarget: HTMLInputElement, target: Element}) => {
+        const inputEl = ev.target as HTMLInputElement;
+        // Clear current selection
+        setSelected(null);
+
+        let filter: string = inputEl.value.toLowerCase();
+        filter = filter.replace("á", "a");
+        filter = filter.replace("é", "e");
+        filter = filter.replace("í", "i");
+        filter = filter.replace("ó", "o");
+        filter = filter.replace("ú", "u");
+        setFilter(filter);
+    };
+
+    createEffect(() => {
+        props.onChange(selected());
+    });
+
+    createEffect(() => {
+        // Makes reactivity happen, don't remove
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        const _count = props.count;
+
+        setFilter("");
+        setSelected(null);
+        setInputValue("");
+    });
+
+    let inputElement: HTMLInputElement | undefined;
+
+    onMount(() => {
+        inputElement?.addEventListener("keydown", (ev) => {
+            if (ev.code === "Enter") {
+                ev.preventDefault();
+            }
+        });
+    });
+
+
+    const filteredOptions = () => {
+        const filterText = filter();
+
+        return allCourses().filter((course) => {
+            let courseText = course.course_name.toLowerCase();
+            courseText = courseText.replace("á", "a");
+            courseText = courseText.replace("é", "e");
+            courseText = courseText.replace("í", "i");
+            courseText = courseText.replace("ó", "o");
+            courseText = courseText.replace("ú", "u");
+
+            return selected() === null && courseText.indexOf(filterText) !== -1;
+        });
+    };
+
+    return (
+        <>
+            <input
+                id="create-subject"
+                ref={inputElement}
+                class={`bg-c-background text-c-on-background
+                    ${selected() !== null ? "border-c-green" : "border-c-outline"}
+                    border-2 rounded-tl rounded-tr px-2 py-1
+                    w-full
+                    invalid:border-c-error invalid:text-c-error
+                    focus:border-c-primary outline-none
+                    disabled:opacity-50 disabled:cursor-not-allowed`}
+                type="text"
+                placeholder="Curso"
+                onkeyup={iHandler}
+                value={inputValue()}
+                onchange={(ev) => setInputValue(ev.target.value)}
+                autocomplete="off"
+            />
+
+            <br />
+            <div
+                class="border-c-outline border-l-2 border-b-2 border-r-2
+                    rounded-bl rounded-br overflow-y-scroll h-[10rem]"
+            >
+                <For each={filteredOptions()}>
+                    {(s) => (
+                        <button
+                            class="w-full text-left py-1 px-2
+                                   hover:bg-c-primary-container hover:text-c-on-primary-container"
+                            onclick={(ev) => {
+                                ev.preventDefault();
+
+                                setSelected(s.course_id);
+                                setInputValue(s.course_name);
+                            }}
+                        >
+                            {s.course_name}
+                        </button>
+                    )}
+                </For>
+            </div>
+        </>
+    );
+}
diff --git a/frontend/src/types/CustomLabel.ts b/frontend/src/types/CustomLabel.ts
new file mode 100644
index 0000000..f3fa01e
--- /dev/null
+++ b/frontend/src/types/CustomLabel.ts
@@ -0,0 +1,4 @@
+export type CustomLabel = {
+    custom_label_id: number,
+    custom_label_value: string,
+}
diff --git a/frontend/src/utils/allCustomLabels.ts b/frontend/src/utils/allCustomLabels.ts
new file mode 100644
index 0000000..2f5a2cb
--- /dev/null
+++ b/frontend/src/utils/allCustomLabels.ts
@@ -0,0 +1,19 @@
+import { createSignal } from "solid-js";
+import { CustomLabel } from "../types/CustomLabel";
+
+type CustomLabelsMap = {[k: number]: CustomLabel};
+
+export const [customLabelsMap, setCustomLabelsMap] = createSignal<{[k: number]: CustomLabel}>({});
+
+(() => {
+    // Get all labels from the API
+    fetch(`${import.meta.env.VITE_BACKEND_URL}/api/labels`)
+        .then((res) => res.json())
+        .then((data: Array<CustomLabel>) => {
+            const map: CustomLabelsMap = {};
+            for (const label of data) {
+                map[label.custom_label_id] = label;
+            }
+            setCustomLabelsMap(map);
+        });
+})();