Added theme options

models/theme.go

@@ -2,10 +2,28 @@ package models
 
 import "io/fs"
 
+type ThemeOptionType int
+
+const (
+	ThemeOptionTypeString ThemeOptionType = iota
+	ThemeOptionTypeInt
+)
+
+type ThemeOption struct {
+	Name         string
+	Label        string
+	Description  string
+	Type         ThemeOptionType
+	DefaultValue string
+}
+
 type ThemeMeta struct {
 	ID   string
 	Name string
 
+	// Options
+	Options []ThemeOption
+
 	// Source repo
 	URL       string
 	OverlayFS fs.FS

providers/hugo/config.go

@@ -11,6 +11,7 @@ type hugoConfig struct {
 	Theme        string           `yaml:"theme"`
 	CanonifyURLs bool             `yaml:"canonifyURLs,omitempty"`
 	Permalinks   permalinksConfig `yaml:"permalinks,omitempty"`
+	Params       map[string]any   `yaml:"params,omitempty"`
 
 	Markup hugoConfigMarkup `yaml:"markup"`
 }

providers/hugo/provider.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strconv"
 )
 
 type Provider struct {
@@ -123,6 +124,7 @@ func (p *Provider) ReconfigureSite(ctx context.Context, isPreviewConfig bool, co
 				},
 			},
 		},
+		Params: p.configureParams(ctx, site, meta),
 	}
 
 	if isPreviewConfig {
@@ -146,3 +148,34 @@ func (p *Provider) ReconfigureSite(ctx context.Context, isPreviewConfig bool, co
 
 	return nil
 }
+
+func (p *Provider) configureParams(ctx context.Context, site models.Site, meta models.ThemeMeta) map[string]any {
+	// Options from the theme
+	themeOptions := make(map[string]any)
+	for _, option := range meta.Options {
+		var typedVal any
+
+		strVal := option.DefaultValue
+
+		switch option.Type {
+		case models.ThemeOptionTypeString:
+			typedVal = strVal
+		case models.ThemeOptionTypeInt:
+			intVal, err := strconv.Atoi(strVal)
+			if err != nil {
+				log.Printf("invalid theme option value: name %v, type %v, value %v", option.Name, option.Type, strVal)
+				continue
+			}
+			typedVal = intVal
+		default:
+			log.Printf("unknown theme option type: name %v, type %v", option.Name, option.Type)
+			continue
+		}
+
+		themeOptions[option.Name] = typedVal
+	}
+
+	return map[string]any{
+		"theme_options": themeOptions,
+	}
+}

providers/themes/meta.go

@@ -7,9 +7,19 @@ import (
 
 var themes = []models.ThemeMeta{
 	{
-		ID:        "bear",
-		Name:      "Bear",
-		URL:       "https://github.com/janraasch/hugo-bearblog",
+		ID:   "bear",
+		Name: "Bear",
+		URL:  "https://github.com/janraasch/hugo-bearblog",
+		Options: []models.ThemeOption{
+			{
+				Name:         "homepage_post_limit",
+				Label:        "Homepage Post Limit",
+				Description:  "Number of links to post on homepage",
+				Type:         models.ThemeOptionTypeInt,
+				DefaultValue: "30",
+			},
+		},
+
 		OverlayFS: overlays.HugoBearblogFS,
 		Overlays: map[string]string{
 			"hugo-bearblog/archetype-posts.md": "archetypes/posts.md",

providers/themes/overlays/hugo-bearblog/index.html

@@ -4,7 +4,7 @@
 <h3>Recent Posts</h3>
 
 <ul class="blog-posts">
-  {{ range site.RegularPages }}
+  {{ range site.RegularPages.Limit .Site.Params.theme_options.homepage_post_limit }}
   <li>
     <span>
       <i>