freekake_webapp/pages/content/themes/add.vue

<template>
    <div>
        <ul class="flex space-x-2 rtl:space-x-reverse">
            <li>
                <a href="javascript:;" class="text-primary hover:underline">Konten</a>
            </li>
            <li class="before:mr-2 before:content-['/'] rtl:before:ml-2">
                <NuxtLink to="/content/themes/list" class="text-primary hover:underline">Daftar Tema Konten</NuxtLink>
            </li>
            <li class="before:mr-2 before:content-['/'] rtl:before:ml-2">
                <span>Tambah Tema Konten</span>
            </li>
        </ul>

        <div class="grid grid-cols-1 gap-6 pt-5">
            <div class="panel">
                <div class="mb-5 flex items-center justify-between">
                    <h5 class="text-lg font-semibold dark:text-white-light">Tambah Tema Konten</h5>
                    <NuxtLink to="/content/themes/list" class="dark:text-white-light btn btn-dark !py-1">
                        <icon-arrow-backward class="me-1" />
                        Daftar
                    </NuxtLink>
                </div>
                <div class="mb-5">
                    <form class="space-y-5" @submit.prevent="submitForm()">
                        <div class="grid grid-cols-1 gap-4 md:grid-cols-4 gap-2">
                            <div :class="{ 'has-error': $validate.form.theme.$error, 'has-success': isSubmitted && !$validate.form.theme.$error }">
                                <label for="theme">Tema</label>
                                <input id="theme" type="text" class="form-input" v-model="form.theme" />
                                <template v-if="isSubmitted && $validate.form.theme.$error">
                                    <p class="text-danger mt-1">Tema konten harus diisi</p>
                                </template>
                            </div>
                            <div>
                                <label for="color">Warna Latar Belakang</label>
                                <input id="color" type="text" class="form-input" v-model="form.color" />
                            </div>
                        </div>
                        <div class="grid grid-cols-1 gap-4 md:grid-cols-2 gap-2">
                            <div class="md:col-span-2" :class="{ 'has-error': $validate.form.description.$error, 'has-success': isSubmitted && !$validate.form.description.$error }">
                                <label for="description">Deskripsi/Keterangan</label>
                                <textarea id="description" rows="3" class="form-textarea" v-model="form.description"></textarea>
                                <template v-if="isSubmitted && $validate.form.description.$error">
                                    <p class="text-danger mt-1">Deskripsi/ketarangan tema konten harus diisi</p>
                                </template>
                            </div>
                        </div>
                        <div class="grid grid-cols-1 gap-4 md:grid-cols-2 gap-2 ">
                            <div class="custom-file-container" data-upload-id="featuredImage"
                                :class="{ 'has-error': $validate.form.featured_image.$error, 'has-success': isSubmitted && !$validate.form.featured_image.$error }">
                                <div class="label-container">
                                    <label for="featured_image">Gambar </label> <a href="javascript:;" class="custom-file-container__image-clear" title="Clear Image">×</a>
                                </div>
                                <label class="custom-file-container__custom-file" >
                                    <input id="featured_image" type="file" class="custom-file-container__custom-file__custom-file-input" 
                                        accept="image/png" @change="handleImageChange" />
                                    <input type="hidden" name="MAX_FILE_SIZE" value="10485760" />
                                    <span class="custom-file-container__custom-file__custom-file-control ltr:pr-20 rtl:pl-20"></span>
                                </label>
                                <template v-if="isSubmitted && $validate.form.featured_image.$error">
                                    <p class="text-danger mt-1">Gambar tema konten harus diisi</p>
                                </template>
                                <div class="custom-file-container__image-preview"></div>
                            </div>
                        </div>
                        <div class="flex items-center ltr:ml-auto mt-8">
                            <button type="submit" class="btn btn-success !py-1"><icon-save class="me-1" /> Simpan</button>
                            <button type="reset" class="btn btn-dark !py-1 ml-1"><icon-restore class="me-1" />Reset</button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</template>

<script lang="ts" setup>
    import { useVuelidate } from '@vuelidate/core';
    import { required } from '@vuelidate/validators';
    import '@/assets/css/file-upload-preview.css';
    
    useHead({ title: 'Daftar Tema Konten' });

    const form = ref({
        theme: '',
        description: '',
        featured_image: '',
        color: '',
    });
    const isSubmitted = ref(false);
    const rules = {
        form: {
            theme: { required },
            description: { required },
            featured_image: { required },
        }
    };
    const $validate = useVuelidate(rules, { form });
    const router = useRouter();
    const config = useRuntimeConfig();

    onMounted(async () => {
        const fileupload = await import('file-upload-with-preview');
        let FileUploadWithPreview = fileupload.default;

        // single image upload
        new FileUploadWithPreview('featuredImage', {
            images: {
                baseImage: '/assets/images/file-preview.svg',
                backgroundImage: '',
            },
        });
    });
    
    const submitForm = async () => {
        isSubmitted.value = true;
        $validate.value.form.$touch();
        if ($validate.value.form.$invalid) {
            return false;
        }

        const formData = new FormData();
        formData.append('theme', form.value.theme);
        formData.append('description', form.value.description);
        formData.append('color', form.value.color);

        if (form.value.featured_image) {
            formData.append('featured_image', form.value.featured_image);
        }

        await $fetch(`${config.public.apiBase}content/themes/`, {
            method: 'POST',
            body: formData
        }).then(() => {
            router.push({ path: "/content/themes/list" });
        })
        .catch((error) => {
            console.log(error);
        });
    }

    function handleImageChange(event: { target: { files: any[]; }; }) {
        const file = event.target.files[0]

        if (!file) return

        const allowed = ['image/png']
        if (!allowed.includes(file.type)) {
            alert('Hanya PNG yang diizinkan')
            return
        }

        form.value.featured_image = file
    }
</script>