load template data from json, toml, or yaml

because why not, the required modules were already included as dependencies for other things
nothing new in go.mod, just indirect -> direct

go.mod

@@ -3,16 +3,17 @@ module git.burning.moe/celediel/burning.moe
 go 1.21.5
 
 require (
+	github.com/BurntSushi/toml v1.3.2
+	github.com/charmbracelet/log v0.3.1
 	github.com/go-chi/chi/v5 v5.0.11
 	github.com/ilyakaznacheev/cleanenv v1.5.0
 	github.com/magefile/mage v1.15.0
+	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
-	github.com/BurntSushi/toml v1.3.2 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/charmbracelet/lipgloss v0.9.1 // indirect
-	github.com/charmbracelet/log v0.3.1 // indirect
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/joho/godotenv v1.5.1 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
@@ -23,6 +24,5 @@ require (
 	github.com/rivo/uniseg v0.2.0 // indirect
 	golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
 	golang.org/x/sys v0.13.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 	olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3 // indirect
 )

go.sum

@@ -7,6 +7,8 @@ github.com/charmbracelet/lipgloss v0.9.1 h1:PNyd3jvaJbg4jRHKWXnCj1akQm4rh8dbEzN1
 github.com/charmbracelet/lipgloss v0.9.1/go.mod h1:1mPmG4cxScwUQALAAnacHaigiiHB9Pmr+v1VEawJl6I=
 github.com/charmbracelet/log v0.3.1 h1:TjuY4OBNbxmHWSwO3tosgqs5I3biyY8sQPny/eCMTYw=
 github.com/charmbracelet/log v0.3.1/go.mod h1:OR4E1hutLsax3ZKpXbgUqPtTjQfrh1pG3zwHGWuuq8g=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-chi/chi/v5 v5.0.11 h1:BnpYbFZ3T3S1WMpD79r7R5ThWX40TaFB7L31Y8xqSwA=
 github.com/go-chi/chi/v5 v5.0.11/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
 github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
@@ -28,14 +30,19 @@ github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
 github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
 github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo=
 github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1noLXviQ8=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
 golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/models/templatedata.go

@@ -2,31 +2,37 @@ package models
 
 import (
 	"encoding/json"
+	"errors"
 	"html/template"
 	"os"
 	"strings"
 	"time"
+
+	"github.com/BurntSushi/toml"
+	"gopkg.in/yaml.v3"
 )
 
 const dataDir string = "./templates/data/"
 
+// in order of precedence
+var dataExtensions = [4]string{"yml", "yaml", "toml", "json"}
+
 type Link struct {
-	Href template.URL
+	Href, Icon template.URL
 	Text       string
-	Icon template.URL
 }
 
 // TemplateData holds data sent from handlers to templates.
 type TemplateData struct {
-	StringMap map[string]string      `json:"stringMap"`
+	StringMap map[string]string      `json:"StringMap" yaml:"StringMap" toml:"StringMap"`
-	IntMap    map[string]int         `json:"intMap"`
+	IntMap    map[string]int         `json:"IntMap" yaml:"IntMap" toml:"IntMap"`
-	FloatMap  map[string]float32     `json:"floatMap"`
+	FloatMap  map[string]float32     `json:"FloatMap" yaml:"FloatMap" toml:"FloatMap"`
-	LinkMap   map[string][]Link      `json:"linkMap"`
+	LinkMap   map[string][]Link      `json:"LinkMap" yaml:"LinkMap" toml:"LinkMap"`
-	Data      map[string]interface{} `json:"data"`
+	Data      map[string]interface{} `json:"Data" yaml:"Data" toml:"Data"`
-	CSRFToken string                 `json:"csrftoken"`
+	CSRFToken string                 `json:"Csrftoken" yaml:"Csrftoken" toml:"Csrftoken"`
-	Flash     string                 `json:"flash"`
+	Flash     string                 `json:"Flash" yaml:"Flash" toml:"Flash"`
-	Warning   string                 `json:"warning"`
+	Warning   string                 `json:"Warning" yaml:"Warning" toml:"Warning"`
-	Error     string                 `json:"error"`
+	Error     string                 `json:"Error" yaml:"Error" toml:"Error"`
 }
 
 // makeBasicTemplateData creates a blank TemplateData containing only the
@@ -45,19 +51,47 @@ func MakeBasicTemplateData(when time.Time) TemplateData {
 // LoadTemplateData loads template data from file. If that
 // fails, it returns an empty TemplateData and an error
 func LoadTemplateData(page string) (TemplateData, error) {
-	// TODO: load from something other than JSON
+	var data TemplateData
-	var data *TemplateData
+	output := dataDir + strings.ReplaceAll(page, "tmpl", "")
-	output := dataDir + strings.ReplaceAll(page, "tmpl", "json")
 
-	file, err := os.ReadFile(output)
+	for _, extension := range dataExtensions {
+		if info, err := os.Stat(output + extension); err == nil && !info.IsDir() {
+			data, err = loadFromFile(output, extension)
+			if err == nil {
+				// don't try anymore files
+				return data, nil
+			}
+		}
+	}
+
+	// couldn't load anything from file
+	return TemplateData{}, errors.New("Couldn't load data from file")
+}
+
+// loadFromFile loads TemplateData from the specified filetype (yaml, toml, or json)
+func loadFromFile(filename, filetype string) (TemplateData, error) {
+	var data TemplateData
+	file, err := os.ReadFile(filename + filetype)
 	if err != nil {
 		return TemplateData{}, err
 	}
 
+	switch filetype {
+	case "json":
 		err = json.Unmarshal(file, &data)
 		if err != nil {
 			return TemplateData{}, err
 		}
-
+	case "toml":
-	return *data, nil
+		err = toml.Unmarshal(file, &data)
+		if err != nil {
+			return TemplateData{}, err
+		}
+	case "yaml":
+		err = yaml.Unmarshal(file, &data)
+		if err != nil {
+			return TemplateData{}, err
+		}
+	}
+	return data, nil
 }

templates/data/about.page.json

@@ -1,46 +0,0 @@
-{
-  "StringMap": {
-    "about": "she/her, 1989, queer anarchist and self-taught, aspiring developer and sysadmin"
-  },
-  "LinkMap": {
-    "Personal": [
-      {
-        "href": "https://matrix.to/#/@celediel:burning.moe",
-        "text": "matrix",
-        "icon": "tabler:brand-matrix"
-      },
-      {
-        "href": "https://slrpnk.net/u/Celediel",
-        "text": "lemmy",
-        "icon": "simple-icons:lemmy"
-      },
-      {
-        "href": "https://git.burning.moe/celediel",
-        "text": "self-hosted git",
-        "icon": "mdi:git"
-      },
-      {
-        "href": "https://github.com/celediel",
-        "text": "github",
-        "icon": "bi:github"
-      }
-    ],
-    "HostedApps": [
-      {
-        "href": "https://git.burning.moe/",
-        "text": "self-hosted git",
-        "icon": "mdi:git"
-      },
-      {
-        "href": "https://bin.burning.moe/",
-        "text": "wastebin",
-        "icon": "fluent:bin-recycle-20-filled"
-      },
-      {
-        "href": "https://gist.burning.moe/",
-        "text": "gist",
-        "icon": "carbon:paste"
-      }
-    ]
-  }
-}

templates/data/about.page.yaml

@@ -0,0 +1,26 @@
+StringMap:
+  about: she/her, 1989, queer anarchist and self-taught, aspiring developer and sysadmin
+LinkMap:
+  Personal:
+    - href: https://matrix.to/#/@celediel:burning.moe
+      text: matrix
+      icon: tabler:brand-matrix
+    - href: https://slrpnk.net/u/Celediel
+      text: lemmy
+      icon: simple-icons:lemmy
+    - href: https://git.burning.moe/celediel
+      text: self-hosted git
+      icon: mdi:git
+    - href: https://github.com/celediel
+      text: github
+      icon: bi:github
+  HostedApps:
+    - href: https://git.burning.moe/
+      text: self-hosted git
+      icon: mdi:git
+    - href: https://bin.burning.moe/
+      text: wastebin
+      icon: fluent:bin-recycle-20-filled
+    - href: https://gist.burning.moe/
+      text: gist
+      icon: carbon:paste