Fix temp range display in show page and label templates

- Show page now displays temp ranges (min-max) instead of single values
- Fixed label template rendering to handle multiple tags in conditional blocks
- Added "not_set" translation key

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

client/public/locales/en/common.json

@@ -254,7 +254,8 @@
             "coaxial": "Coextruded",
             "longitudinal": "Longitudinal",
             "external_id": "External ID",
-            "spools": "Show Spools"
+            "spools": "Show Spools",
+            "not_set": "Not Set"
         },
         "fields_help": {
             "name": "Filament name, to distinguish this filament type among others from the same manufacturer. Should contain the color for example.",

client/src/pages/filaments/show.tsx

@@ -131,16 +131,20 @@ export const FilamentShow: React.FC<IResourceComponentsProps> = () => {
         }}
       />
       <Title level={5}>{t("filament.fields.settings_extruder_temp")}</Title>
-      {!record?.settings_extruder_temp ? (
-        <TextField value="Not Set" />
+      {!record?.settings_extruder_temp_min && !record?.settings_extruder_temp_max ? (
+        <TextField value={t("filament.fields.not_set")} />
+      ) : record?.settings_extruder_temp_min === record?.settings_extruder_temp_max || !record?.settings_extruder_temp_max ? (
+        <NumberFieldUnit value={record?.settings_extruder_temp_min ?? ""} unit="°C" />
       ) : (
-        <NumberFieldUnit value={record?.settings_extruder_temp ?? ""} unit="°C" />
+        <TextField value={`${record?.settings_extruder_temp_min ?? "?"} - ${record?.settings_extruder_temp_max ?? "?"} °C`} />
       )}
       <Title level={5}>{t("filament.fields.settings_bed_temp")}</Title>
-      {!record?.settings_bed_temp ? (
-        <TextField value="Not Set" />
+      {!record?.settings_bed_temp_min && !record?.settings_bed_temp_max ? (
+        <TextField value={t("filament.fields.not_set")} />
+      ) : record?.settings_bed_temp_min === record?.settings_bed_temp_max || !record?.settings_bed_temp_max ? (
+        <NumberFieldUnit value={record?.settings_bed_temp_min ?? ""} unit="°C" />
       ) : (
-        <NumberFieldUnit value={record?.settings_bed_temp ?? ""} unit="°C" />
+        <TextField value={`${record?.settings_bed_temp_min ?? "?"} - ${record?.settings_bed_temp_max ?? "?"} °C`} />
       )}
       <Title level={5}>{t("filament.fields.article_number")}</Title>
       <TextField value={record?.article_number} />

client/src/pages/printing/printing.tsx

@@ -102,24 +102,45 @@ function applyTextFormatting(text: string): ReactElement[] {
 
 export function renderLabelContents(template: string, spool: ISpool): ReactElement {
   // Find all {tags} in the template string and loop over them
-  // let matches = [...template.matchAll(/(?:{(.*?))?{(.*?)}(.*?)(?:}(.*?))?/gs)];
   let matches = [...template.matchAll(/{(?:[^}{]|{[^}{]*})*}/gs)];
   let label_text = template;
   matches.forEach((match) => {
-    if ((match[0].match(/{/g) || []).length == 1) {
+    const braceCount = (match[0].match(/{/g) || []).length;
+    if (braceCount == 1) {
+      // Simple tag: {tag}
       let tag = match[0].replace(/[{}]/g, "");
       let tagValue = getTagValue(tag, spool);
       label_text = label_text.replace(match[0], tagValue);
-    } else if ((match[0].match(/{/g) || []).length == 2) {
-      let structure = match[0].match(/{(.*?){(.*?)}(.*?)}/);
-      if (structure != null) {
-        const tag = structure[2];
-        let tagValue = getTagValue(tag, spool);
-        if (tagValue == "?") {
-          label_text = label_text.replace(match[0], "");
-        } else {
-          label_text = label_text.replace(match[0], structure[1] + tagValue + structure[3]);
+    } else if (braceCount >= 2) {
+      // Conditional block with one or more inner tags: {prefix {tag1} middle {tag2} suffix}
+      // First, extract the outer content and find all inner tags
+      const outerContent = match[0].slice(1, -1); // Remove outer braces
+      const innerTagMatches = [...outerContent.matchAll(/{([^{}]+)}/g)];
+
+      if (innerTagMatches.length === 0) {
+        // No inner tags found, leave as-is
+        return;
       }
+
+      // Check if any inner tag resolves to "?" (missing value)
+      let allTagsValid = true;
+      let processedContent = outerContent;
+
+      for (const innerMatch of innerTagMatches) {
+        const tag = innerMatch[1];
+        const tagValue = getTagValue(tag, spool);
+        if (tagValue === "?" || tagValue === null || tagValue === undefined) {
+          allTagsValid = false;
+          break;
+        }
+        processedContent = processedContent.replace(innerMatch[0], String(tagValue));
+      }
+
+      if (allTagsValid) {
+        label_text = label_text.replace(match[0], processedContent);
+      } else {
+        // If any tag is missing, remove the entire conditional block
+        label_text = label_text.replace(match[0], "");
       }
     }
   });