Implement catalog entry view and badge redirect

Signed-off-by: Knut Ahlers <knut@ahlers.me>

api.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net/http"
 	"net/url"
+	"path"
 	"strconv"
 	"strings"
 	"time"
@@ -56,6 +57,40 @@ func catalogEntryToAPICatalogEntry(ce database.CatalogEntry) (APICatalogEntry, e
 	return APICatalogEntry{CatalogEntry: ce, CatalogMeta: *cm}, nil
 }
 
+func handleBadgeRedirect(w http.ResponseWriter, r *http.Request) {
+	var (
+		compare   = r.FormValue("compare")
+		vars      = mux.Vars(r)
+		name, tag = vars["name"], vars["tag"]
+	)
+
+	ce, err := configFile.CatalogEntryByTag(name, tag)
+	if errors.Is(err, config.ErrCatalogEntryNotFound) {
+		http.Error(w, "Not found", http.StatusNotFound)
+		return
+	}
+
+	cm, err := storage.Catalog.GetMeta(&ce)
+	if err != nil {
+		http.Error(w, "Unable to fetch catalog data", http.StatusInternalServerError)
+		return
+	}
+
+	color := "green"
+	if compare != "" && compare != cm.CurrentVersion {
+		color = "red"
+	}
+
+	target, err := url.Parse(cfg.BadgeGenInstance)
+	if err != nil {
+		http.Error(w, "Misconfigured BadgeGenInstance", http.StatusInternalServerError)
+		return
+	}
+
+	target.Path = path.Join(target.Path, "static", ce.Key(), cm.CurrentVersion, color)
+	http.Redirect(w, r, target.String(), http.StatusFound)
+}
+
 func handleCatalogGet(w http.ResponseWriter, r *http.Request) {
 	var (
 		vars      = mux.Vars(r)

main.go

@@ -18,6 +18,7 @@ import (
 
 var (
 	cfg = struct {
+		BadgeGenInstance  string        `flag:"badge-gen-instance" default:"https://badges.fyi/" description:"Where to find the badge-gen instance to use badges from"`
 		BaseURL           string        `flag:"base-url" default:"https://example.com/" description:"Base-URL the application is reachable at"`
 		Config            string        `flag:"config,c" default:"config.yaml" description:"Configuration file with catalog entries"`
 		Listen            string        `flag:"listen" default:":3000" description:"Port/IP to listen on"`
@@ -84,6 +85,7 @@ func main() {
 	router.HandleFunc("/v1/catalog/{name}/{tag}/version", handleCatalogGetVersion).Methods(http.MethodGet)
 	router.HandleFunc("/v1/log", handleLog).Methods(http.MethodGet)
 
+	router.HandleFunc("/{name}/{tag}.svg", handleBadgeRedirect).Methods(http.MethodGet).Name("catalog-entry-badge")
 	router.HandleFunc("/{name}/{tag}/log.rss", handleLogFeed).Methods(http.MethodGet).Name("catalog-entry-rss")
 	router.HandleFunc("/log.rss", handleLogFeed).Methods(http.MethodGet).Name("log-rss")
 

src/app.vue

@@ -35,6 +35,18 @@
             />
             All Updates
           </b-nav-item>
+
+          <b-nav-item
+            href="https://github.com/Luzifer/go-latestver"
+            rel="noopener noreferrer"
+            target="_blank"
+            title="Go-LatestVer on Github"
+          >
+            <font-awesome-icon
+              fixed-width
+              :icon="['fab', 'github']"
+            />
+          </b-nav-item>
         </b-navbar-nav>
       </b-collapse>
     </b-navbar>

src/catalog_entry.vue

@@ -0,0 +1,155 @@
+<template>
+  <div>
+    <b-row>
+      <b-col>
+        <b-card-group>
+          <b-card header="Current Version">
+            {{ entry.current_version }}<br>
+            <small>{{ moment(entry.version_time).format('lll') }}</small>
+          </b-card>
+          <b-card header="Last Checked">
+            {{ moment(entry.last_checked).format('lll') }}
+          </b-card>
+          <b-card header="Badges">
+            <p class="text-center">
+              Current Version:<br>
+              <img
+                class="clickable"
+                :src="badgeURL"
+                @click="copyURL"
+              >
+            </p>
+            <p class="text-center">
+              Compare to Version:<br>
+              <img
+                class="clickable"
+                :src="`${badgeURL}?compare=otherversion`"
+                @click="copyURL"
+              >
+            </p>
+            <p class="text-center">
+              <small>(Click badge to copy URL)</small>
+            </p>
+          </b-card>
+          <b-card
+            header="External Links"
+            no-body
+          >
+            <b-list-group flush>
+              <b-list-group-item
+                v-for="link in entry.links"
+                :key="link.name"
+                :href="link.url"
+                rel="noopener noreferrer"
+                target="_blank"
+              >
+                <font-awesome-icon
+                  fixed-width
+                  :icon="iconClassesToIcon(link.icon_class)"
+                />
+                {{ link.name }}
+              </b-list-group-item>
+            </b-list-group>
+          </b-card>
+        </b-card-group>
+      </b-col>
+    </b-row>
+
+    <b-row class="mt-3">
+      <b-col>
+        <log-table :logs="logs" />
+      </b-col>
+    </b-row>
+  </div>
+</template>
+
+<script>
+import axios from 'axios'
+import LogTable from './logtable.vue'
+import moment from 'moment'
+
+export default {
+  components: { LogTable },
+
+  computed: {
+    badgeURL() {
+      return `${window.location.href.split('?')[0]}.svg`
+    },
+  },
+
+  data() {
+    return {
+      entry: {},
+      logs: [],
+    }
+  },
+
+  methods: {
+    copyURL(evt) {
+      navigator.clipboard.writeText(evt.target.attributes.src.value)
+        .then(() => this.$bvToast.toast('URL copied to clipboard', {
+          autoHideDelay: 2000,
+          solid: true,
+          title: 'Copy Badge URL',
+          variant: 'success',
+        }))
+        .catch(() => this.$bvToast.toast('Something went wrong', {
+          autoHideDelay: 2000,
+          solid: true,
+          title: 'Copy Badge URL',
+          variant: 'danger',
+        }))
+    },
+
+    fetchEntry() {
+      axios.get(`/v1/catalog/${this.$route.params.name}/${this.$route.params.tag}`)
+        .then(resp => {
+          this.entry = resp.data
+        })
+    },
+
+    fetchLog() {
+      axios.get(`/v1/catalog/${this.$route.params.name}/${this.$route.params.tag}/log`)
+        .then(resp => {
+          this.logs = resp.data
+        })
+    },
+
+    iconClassesToIcon(ic) {
+      let namespace = 'fas'
+      let icon = ''
+
+      for (const c of ic.split(' ')) {
+        if (c === 'fa-fw') {
+          continue
+        }
+
+        if (['fab', 'fas'].includes(c)) {
+          namespace = c
+        }
+
+        if (c.startsWith('fa-')) {
+          icon = c.replace('fa-', '')
+        }
+      }
+
+      return [namespace, icon]
+    },
+
+    moment,
+  },
+
+  mounted() {
+    this.fetchEntry()
+    this.fetchLog()
+  },
+
+  name: 'GoLatestVerCatalogEntry',
+}
+</script>
+
+<style>
+img.clickable {
+  cursor:pointer;
+}
+</style>

src/log.vue

@@ -1,40 +1,20 @@
 <template>
   <b-row>
     <b-col>
-      <b-table
-        :fields="fields"
-        :items="logs"
-        small
-        striped
-      >
-        <template #cell(_key)="data">
-          <router-link :to="{name: 'entry', params: { name:data.item.catalog_name, tag: data.item.catalog_tag }}">
-            {{ data.item.catalog_name }}:{{ data.item.catalog_tag }}
-          </router-link>
-        </template>
-
-        <template #cell(timestamp)="data">
-          {{ moment(data.item.timestamp).format('lll') }}
-        </template>
-      </b-table>
+      <log-table :logs="logs" />
     </b-col>
   </b-row>
 </template>
 
 <script>
 import axios from 'axios'
-import moment from 'moment'
+import LogTable from './logtable.vue'
 
 export default {
+  components: { LogTable },
+
   data() {
     return {
-      fields: [
-        { key: '_key', label: 'Catalog Entry' },
-        { key: 'version_from', label: 'Version From' },
-        { key: 'version_to', label: 'Version To' },
-        { key: 'timestamp', label: 'Updated At' },
-      ],
-
       logs: [],
     }
   },
@@ -46,8 +26,6 @@ export default {
           this.logs = resp.data
         })
     },
-
-    moment,
   },
 
   mounted() {

src/logtable.vue

@@ -0,0 +1,48 @@
+<template>
+  <b-table
+    :fields="fields"
+    :items="logs"
+    small
+    striped
+  >
+    <template #cell(_key)="data">
+      <router-link :to="{name: 'entry', params: { name:data.item.catalog_name, tag: data.item.catalog_tag }}">
+        {{ data.item.catalog_name }}:{{ data.item.catalog_tag }}
+      </router-link>
+    </template>
+
+    <template #cell(timestamp)="data">
+      {{ moment(data.item.timestamp).format('lll') }}
+    </template>
+  </b-table>
+</template>
+
+<script>
+import moment from 'moment'
+
+export default {
+  data() {
+    return {
+      fields: [
+        { key: '_key', label: 'Catalog Entry' },
+        { key: 'version_from', label: 'Version From' },
+        { key: 'version_to', label: 'Version To' },
+        { key: 'timestamp', label: 'Updated At' },
+      ],
+    }
+  },
+
+  methods: {
+    moment,
+  },
+
+  name: 'GoLatestVerLogTable',
+
+  props: {
+    logs: {
+      required: true,
+      type: Array,
+    },
+  },
+}
+</script>