Carry on adding index.go page logic.

Fix logic in the info.go page.

cmd/wappcityuni/main.go

@@ -78,6 +78,10 @@ func main() {
 	if err != nil {
 		log.Fatalln("Failed to parse config.yml:", err)
 	}
+	err = configFile.Close()
+	if err != nil {
+		log.Println("Failed to close config file.")
+	}
 
 	//Server definitions:
 	var webServer *http.Server

pageHandler/go-info-page.go

@@ -25,9 +25,6 @@ func newGoInfoPage(handlerIn *PageHandler, dataStore string, cacheTemplates bool
 		DataStore:         dataStore,
 		PageTemplateMutex: ptm,
 	}
-	if !cacheTemplates {
-		_, _ = pageToReturn.getPageTemplate()
-	}
 	return pageToReturn
 }
 
@@ -87,7 +84,6 @@ func (gipg *goInfoPage) GetContents(urlParameters url.Values) (contentType strin
 	if err != nil {
 		return "text/plain", []byte("Cannot Get Info.\r\n" + err.Error()), false
 	}
-	theBuffer := &io.BufferedWriter{}
 	var regPages []string
 	var cacPages []string
 	env := make([]string, 0)
@@ -99,6 +95,7 @@ func (gipg *goInfoPage) GetContents(urlParameters url.Values) (contentType strin
 		regPages = make([]string, len(gipg.Handler.PageProviders))
 		cacPages = make([]string, gipg.Handler.GetNumberOfCachedPages())
 	}
+	theBuffer := &io.BufferedWriter{}
 	err = theTemplate.ExecuteTemplate(theBuffer, templateName, &goInfoTemplateMarshal{
 		FullOutput:         urlParameters.Has("full"),
 		RegisteredPages:    regPages,

pageHandler/pages/index/data.go

@@ -1,6 +1,12 @@
 package index
 
 type DataYaml struct {
+	HomeLink      string      `yaml:"homeLink"`
+	PortfolioLink string      `yaml:"portfolioLink"`
+	CSSBaseURL    string      `yaml:"cssBaseURL"`
+	CSSLightURL   string      `yaml:"cssLightURL"`
+	CSSDarkURL    string      `yaml:"cssDarkURL"`
+	JScriptURL    string      `yaml:"jScriptURL"`
 	About         AboutYaml   `yaml:"about"`
 	Entries       []EntryYaml `yaml:"entries"`
 }

pageHandler/pages/index/entry.go

@@ -16,7 +16,6 @@ type EntryYaml struct {
 	VideoContentType   string    `yaml:"videoContentType"`
 	ThumbnailLocations []string  `yaml:"thumbnailLocations"`
 	ImageLocations     []string  `yaml:"imageLocations"`
-	Links              []string  `yaml:"links"`
 }
 
 func (ey EntryYaml) GetStartDate() string {

pageHandler/pages/index/index-page.go

@@ -1,6 +1,8 @@
 package index
 
 import (
+	"golang.captainalm.com/cityuni-webserver/utils/io"
+	"gopkg.in/yaml.v3"
 	"html/template"
 	"net/url"
 	"os"
@@ -11,6 +13,7 @@ import (
 )
 
 const templateName = "index.go.html"
+const yamlName = "index.go.yml"
 
 func NewPage(dataStore string, cacheTemplates bool) *Page {
 	var ptm *sync.Mutex
@@ -19,19 +22,20 @@ func NewPage(dataStore string, cacheTemplates bool) *Page {
 	}
 	pageToReturn := &Page{
 		DataStore:         dataStore,
+		StoredDataMutex:   &sync.Mutex{},
 		PageTemplateMutex: ptm,
 	}
-	if !cacheTemplates {
-		_, _ = pageToReturn.getPageTemplate()
-	}
 	return pageToReturn
 }
 
 type Page struct {
 	DataStore            string
+	StoredDataMutex      *sync.Mutex
+	StoredData           *DataYaml
+	LastModifiedData     time.Time
 	PageTemplateMutex    *sync.Mutex
 	PageTemplate         *template.Template
-	LastModified      time.Time
+	LastModifiedTemplate time.Time
 }
 
 func (p *Page) GetPath() string {
@@ -39,29 +43,51 @@ func (p *Page) GetPath() string {
 }
 
 func (p *Page) GetLastModified() time.Time {
-	return p.LastModified
+	if p.LastModifiedData.After(p.LastModifiedTemplate) {
+		return p.LastModifiedData
+	} else {
+		return p.LastModifiedTemplate
+	}
 }
 
 func (p *Page) GetCacheIDExtension(urlParameters url.Values) string {
 	toReturn := ""
 	if urlParameters.Has("order") {
-		if theParameter := strings.ToLower(urlParameters.Get("order"));
+		if theParameter := strings.ToLower(urlParameters.Get("order")); theParameter == "start" || theParameter == "end" || theParameter == "name" || theParameter == "duration" {
-			theParameter == "start" || theParameter == "end" || theParameter == "name" || theParameter == "duration" {
 			toReturn += "order=" + theParameter + "&"
 		}
 	}
 	if urlParameters.Has("sort") {
-		if theParameter := strings.ToLower(urlParameters.Get("sort"));
+		if theParameter := strings.ToLower(urlParameters.Get("sort")); theParameter == "asc" || theParameter == "ascending" || theParameter == "desc" || theParameter == "descending" {
-			theParameter == "asc" || theParameter == "ascending" || theParameter == "desc" || theParameter == "descending" {
+			toReturn += "sort=" + theParameter + "&"
-			toReturn += "sort=" + theParameter
 		}
 	}
+	if urlParameters.Has("light") {
+		toReturn += "light"
+	}
 	return strings.TrimRight(toReturn, "&")
 }
 
 func (p *Page) GetContents(urlParameters url.Values) (contentType string, contents []byte, canCache bool) {
-	//TODO implement me
+	theTemplate, err := p.getPageTemplate()
-	panic("implement me")
+	if err != nil {
+		return "text/plain", []byte("Cannot Get Index.\r\n" + err.Error()), false
+	}
+	theData, err := p.getPageData()
+	if err != nil {
+		return "text/plain", []byte("Cannot Get Data.\r\n" + err.Error()), false
+	}
+	theMarshal := &Marshal{
+		Data:  *theData,
+		Light: urlParameters.Has("light"),
+	}
+	//Set up sorting here
+	theBuffer := &io.BufferedWriter{}
+	err = theTemplate.ExecuteTemplate(theBuffer, templateName, theMarshal)
+	if err != nil {
+		return "text/plain", []byte("Cannot Get Page.\r\n" + err.Error()), false
+	}
+	return "text/html", theBuffer.Data, true
 }
 
 func (p *Page) PurgeTemplate() {
@@ -70,6 +96,11 @@ func (p *Page) PurgeTemplate() {
 		p.PageTemplate = nil
 		p.PageTemplateMutex.Unlock()
 	}
+	if p.StoredDataMutex != nil {
+		p.StoredDataMutex.Lock()
+		p.StoredData = nil
+		p.StoredDataMutex.Unlock()
+	}
 }
 
 func (p *Page) getPageTemplate() (*template.Template, error) {
@@ -82,6 +113,11 @@ func (p *Page) getPageTemplate() (*template.Template, error) {
 		if p.DataStore != "" {
 			thePath = path.Join(p.DataStore, thePath)
 		}
+		stat, err := os.Stat(thePath)
+		if err != nil {
+			return nil, err
+		}
+		p.LastModifiedTemplate = stat.ModTime()
 		loadedData, err := os.ReadFile(thePath)
 		if err != nil {
 			return nil, err
@@ -98,3 +134,42 @@ func (p *Page) getPageTemplate() (*template.Template, error) {
 		return p.PageTemplate, nil
 	}
 }
+
+func (p *Page) getPageData() (*DataYaml, error) {
+	if p.StoredDataMutex != nil {
+		p.StoredDataMutex.Lock()
+		defer p.StoredDataMutex.Unlock()
+	}
+	if p.StoredData == nil {
+		thePath := yamlName
+		if p.DataStore != "" {
+			thePath = path.Join(p.DataStore, thePath)
+		}
+		stat, err := os.Stat(thePath)
+		if err != nil {
+			return nil, err
+		}
+		p.LastModifiedData = stat.ModTime()
+		fileHandle, err := os.Open(thePath)
+		if err != nil {
+			return nil, err
+		}
+		dataYaml := &DataYaml{}
+		decoder := yaml.NewDecoder(fileHandle)
+		err = decoder.Decode(dataYaml)
+		if err != nil {
+			_ = fileHandle.Close()
+			return nil, err
+		}
+		err = fileHandle.Close()
+		if err != nil {
+			return nil, err
+		}
+		if p.StoredDataMutex != nil {
+			p.StoredData = dataYaml
+		}
+		return dataYaml, nil
+	} else {
+		return p.StoredData, nil
+	}
+}

pageHandler/pages/index/template-marshal.go

@@ -8,6 +8,7 @@ type Marshal struct {
 	OrderEndDate   int8
 	OrderName      int8
 	OrderDuration  int8
+	Light          bool
 }
 
 func (m Marshal) GetEntries() (toReturn []EntryYaml) {