releaser timeyear is complete

Author: bengarrett

handler/app/template.go

@@ -390,6 +390,28 @@ func (t *Templ) FuncClosures(db *sql.DB) *template.FuncMap { //nolint:funlen
 				dir.Directory(t.Environment.AbsPreview),
 				dir.Directory(t.Environment.AbsThumbnail))
 		},
+		"yearRange": func(start, end int) []int {
+			const epoch = 1980
+			if start < epoch {
+				start = epoch
+			}
+			now := time.Now().Year()
+			if end > now {
+				end = now
+			}
+
+			// we don't want to include start or end range years in the results
+			start++
+			years := make([]int, end-start)
+
+			for i := range years {
+				years[i] = start + i
+			}
+			return years
+		},
+		"sub": func(start, end int) int {
+			return end - start
+		},
 	}
 }
 

view/app/releasertimeline.tmpl

@@ -1,8 +1,10 @@
 {{- define "timeline" }}
 {{- $year := . }}
 {{- $eraClass := "text-start text-secondary mx-5 mb-4"}}
-  <h3 class="text-end display-6 mt-3 p-3">{{$year}}</h3>
-  {{- if eq $year 1981 }}
+{{- $skipped := or (eq $year 1999) (gt $year 2004) }}
+  {{- if $skipped }}
+    <!-- display nothing --->
+  {{- else if eq $year 1981 }}
     <div class="{{$eraClass}}">
     <small><em class="text-primary">Pre Scene</em>.
     The first IBM PC was released on 12 August 1981.

view/app/releaseryear.tmpl

@@ -22,11 +22,21 @@
     {{- $initialism := initialisms $rel.Unique.URI }}
     {{- $year := $rel.Unique.Year.Int }}
     {{- $displayYear := or (eq $prevYear 0) (gt $year $prevYear)}}
-    {{- /* conditionals must always begin after these vars */ -}}
+    {{- $difference := sub $prevYear $year}}
+  {{- /* conditionals must always begin after these vars */ -}}
   {{- if $displayYear }}
     <!-- this case will only match years that exist in the fetched records -->
     {{- if ne $index 0}}</div><!-- this is the closing element -->{{ end }}
-    {{ template "timeline" $year }}
+    {{- if gt $difference 1 }}
+      <!-- we iterate through any missing years -->
+      {{- range yearRange $prevYear $year }}
+        <h3 class="text-end fw-light fs-4 mt-3 me-3">{{.}}</h3>
+        {{- template "timeline" . }}
+      {{- end }}
+    {{- end }}
+    <!-- but also display timelines of the years with artifact records -->
+    <h3 class="text-end display-6 mt-3 p-3">{{$year}}</h3>
+    {{- template "timeline" $year }}
     <div class="{{$class}}"><!-- this is the opening element -->
   {{- end}}
         <div class="col">