From 4d7390e244f9e11a6f5daed80c19064454988848 Mon Sep 17 00:00:00 2001
From: Bnyro <bnyro@tutanota.com>
Date: Fri, 15 Mar 2024 22:52:20 +0100
Subject: [PATCH] feat: support for adding custom instances

---
 src/components/CustomInstanceModal.vue | 79 ++++++++++++++++++++++++++
 src/components/PreferencesPage.vue     | 51 ++++++++++++-----
 src/locales/en.json                    | 11 +++-
 src/main.js                            | 14 +++++
 4 files changed, 139 insertions(+), 16 deletions(-)
 create mode 100644 src/components/CustomInstanceModal.vue

diff --git a/src/components/CustomInstanceModal.vue b/src/components/CustomInstanceModal.vue
new file mode 100644
index 00000000..8b5d9840
--- /dev/null
+++ b/src/components/CustomInstanceModal.vue
@@ -0,0 +1,79 @@
+<template>
+    <ModalComponent @close="$emit('close')">
+        <h3 v-t="'titles.custom_instances'" class="my-4 font-bold" />
+        <hr />
+        <div class="text-center">
+            <div>
+                <div v-for="(customInstance, index) in customInstances" :key="customInstance.name">
+                    <div class="flex items-center justify-between">
+                        <span>{{ customInstance.name }} - {{ customInstance.api_url }}</span>
+                        <span
+                            class="i-fa6-solid:circle-minus cursor-pointer"
+                            @click="removeInstance(customInstance, index)"
+                        />
+                    </div>
+                    <hr />
+                </div>
+            </div>
+            <form class="flex flex-col items-end gap-2">
+                <input v-model="name" class="input w-full" type="text" :placeholder="$t('preferences.instance_name')" />
+                <input
+                    v-model="url"
+                    class="input w-full"
+                    type="text"
+                    :placeholder="$t('preferences.api_url')"
+                    @keyup.enter="addInstance"
+                />
+                <button v-t="'actions.add'" class="btn w-min" @click.prevent="addInstance" />
+            </form>
+        </div>
+    </ModalComponent>
+</template>
+
+<script>
+import ModalComponent from "./ModalComponent.vue";
+export default {
+    components: { ModalComponent },
+    emits: ["close"],
+    data() {
+        return {
+            customInstances: [],
+            name: "",
+            url: "",
+        };
+    },
+    mounted() {
+        this.customInstances = this.getCustomInstances();
+    },
+    methods: {
+        async addInstance() {
+            const newInstance = {
+                name: this.name,
+                api_url: this.url,
+            };
+
+            if (!newInstance.name || !newInstance.api_url) {
+                return;
+            }
+            if (!this.isValidInstanceUrl(newInstance.api_url)) {
+                alert(this.$t("actions.invalid_url"));
+                return;
+            }
+
+            this.addCustomInstance(newInstance);
+            this.name = "";
+            this.url = "";
+        },
+        removeInstance(instance, index) {
+            this.customInstances.splice(index, 1);
+
+            this.removeCustomInstance(instance);
+        },
+        isValidInstanceUrl(str) {
+            var a = document.createElement("a");
+            a.href = str;
+            return a.host && a.host != window.location.host;
+        },
+    },
+};
+</script>
diff --git a/src/components/PreferencesPage.vue b/src/components/PreferencesPage.vue
index b70eed5e..9259360d 100644
--- a/src/components/PreferencesPage.vue
+++ b/src/components/PreferencesPage.vue
@@ -313,6 +313,10 @@
             </select>
         </label>
     </template>
+    <div class="pref">
+        <span v-t="'titles.custom_instances'" class="w-max" />
+        <button v-t="'actions.customize'" class="btn" @click="showCustomInstancesModal = true" />
+    </div>
     <br />
 
     <!-- options that are visible only when logged in -->
@@ -359,7 +363,7 @@
                 <th v-t="'preferences.ssl_score'" />
             </tr>
         </thead>
-        <tbody v-for="instance in instances" :key="instance.name">
+        <tbody v-for="instance in publicInstances" :key="instance.name">
             <tr>
                 <td v-text="instance.name" />
                 <td v-text="instance.locations" />
@@ -387,14 +391,23 @@
         @close="showConfirmResetPrefsDialog = false"
         @confirm="resetPreferences()"
     />
+    <CustomInstanceModal
+        v-if="showCustomInstancesModal"
+        @close="
+            showCustomInstancesModal = false;
+            fetchInstances();
+        "
+    />
 </template>
 
 <script>
 import CountryMap from "@/utils/CountryMaps/en.json";
 import ConfirmModal from "./ConfirmModal.vue";
+import CustomInstanceModal from "./CustomInstanceModal.vue";
 export default {
     components: {
         ConfirmModal,
+        CustomInstanceModal,
     },
     data() {
         return {
@@ -402,7 +415,8 @@ export default {
             selectedInstance: null,
             authInstance: false,
             selectedAuthInstance: null,
-            instances: [],
+            customInstances: [],
+            publicInstances: [],
             sponsorBlock: true,
             skipOptions: new Map([
                 ["sponsor", { value: "auto", label: "actions.skip_sponsors" }],
@@ -496,25 +510,21 @@ export default {
             prefetchLimit: 2,
             password: null,
             showConfirmResetPrefsDialog: false,
+            showCustomInstancesModal: false,
         };
     },
+    computed: {
+        instances() {
+            return [...this.publicInstances, ...this.customInstances];
+        },
+    },
     activated() {
         document.title = this.$t("titles.preferences") + " - Piped";
     },
     async mounted() {
         if (Object.keys(this.$route.query).length > 0) this.$router.replace({ query: {} });
 
-        this.fetchJson(import.meta.env.VITE_PIPED_INSTANCES).then(resp => {
-            this.instances = resp;
-            if (!this.instances.some(instance => instance.api_url == this.apiUrl()))
-                this.instances.push({
-                    name: "Custom Instance",
-                    api_url: this.apiUrl(),
-                    locations: "Unknown",
-                    cdn: false,
-                    uptime_30d: 100,
-                });
-        });
+        this.fetchInstances();
 
         if (this.testLocalStorage) {
             this.selectedInstance = this.getPreferenceString("instance", import.meta.env.VITE_PIPED_API);
@@ -633,6 +643,21 @@ export default {
                 if (shouldReload) window.location.reload();
             }
         },
+        async fetchInstances() {
+            this.customInstances = this.getCustomInstances();
+
+            this.fetchJson(import.meta.env.VITE_PIPED_INSTANCES).then(resp => {
+                this.publicInstances = resp;
+                if (!this.publicInstances.some(instance => instance.api_url == this.apiUrl()))
+                    this.publicInstances.push({
+                        name: "Selected Instance",
+                        api_url: this.apiUrl(),
+                        locations: "Unknown",
+                        cdn: false,
+                        uptime_30d: 100,
+                    });
+            });
+        },
         sslScore(url) {
             return "https://www.ssllabs.com/ssltest/analyze.html?d=" + new URL(url).host + "&latest";
         },
diff --git a/src/locales/en.json b/src/locales/en.json
index 1dac0443..b1e6ee06 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -16,7 +16,8 @@
         "albums": "Albums",
         "bookmarks": "Bookmarks",
         "channel_groups": "Channel groups",
-        "dearrow": "DeArrow"
+        "dearrow": "DeArrow",
+        "custom_instances": "Custom instances"
     },
     "player": {
         "watch_on": "View on {0}",
@@ -151,7 +152,10 @@
         "generate_qrcode": "Generate QR Code",
         "download_frame": "Download frame",
         "add_to_group": "Add to group",
-        "concurrent_prefetch_limit": "Concurrent Stream Prefetch Limit"
+        "concurrent_prefetch_limit": "Concurrent Stream Prefetch Limit",
+        "customize": "Customize",
+        "invalid_url": "Invalid URL!",
+        "add": "Add"
     },
     "comment": {
         "pinned_by": "Pinned by {author}",
@@ -167,7 +171,8 @@
         "version": "Version",
         "up_to_date": "Up to date?",
         "ssl_score": "SSL Score",
-        "uptime_30d": "Uptime (30d)"
+        "uptime_30d": "Uptime (30d)",
+        "api_url": "Api URL"
     },
     "login": {
         "username": "Username",
diff --git a/src/main.js b/src/main.js
index fa469fdc..cb25fcbf 100644
--- a/src/main.js
+++ b/src/main.js
@@ -553,6 +553,20 @@ const mixin = {
 
             return !resp.error;
         },
+        getCustomInstances() {
+            return JSON.parse(window.localStorage.getItem("customInstances")) ?? [];
+        },
+        addCustomInstance(instance) {
+            let customInstances = this.getCustomInstances();
+            customInstances.push(instance);
+            window.localStorage.setItem("customInstances", JSON.stringify(customInstances));
+        },
+        removeCustomInstance(instanceToDelete) {
+            let customInstances = this.getCustomInstances().filter(
+                instance => instance.api_url != instanceToDelete.api_url,
+            );
+            window.localStorage.setItem("customInstances", JSON.stringify(customInstances));
+        },
     },
     computed: {
         authenticated(_this) {