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// Used to show the landing page of the application
package message
import (
"archives/pkg/database"
"archives/pkg/models"
"net/http"
"sort"
"strings"
)
// Show renders a template to show the landing page of the application
func Show(w http.ResponseWriter, r *http.Request) {
urlParts := strings.Split(r.URL.Path, "/")
listName := urlParts[1]
messageHash := urlParts[len(urlParts)-1]
message := &models.Message{Id: messageHash}
err := database.DBCon.Model(message).
Column("message.*").
Relation("InReplyTo").
Relation("References").
WherePK().
Select()
if err != nil {
http.NotFound(w, r)
return
}
//
// Compute Replies
//
var replies []*models.Message
var queryParts []string
for _, reference := range message.References {
queryParts = append(queryParts, "reference_id = '" + reference.Id + "'")
}
queryParts = append(queryParts, "reference_id = '" + message.Id + "'")
query := strings.Join(queryParts, " OR ")
var refs []*models.MessageToReferences
err = database.DBCon.Model(&refs).
Where(query).
Select()
// part 2
if len(refs) > 0 {
var nextQueryParts []string
for _, reference := range refs {
nextQueryParts = append(nextQueryParts, "id = '" + reference.MessageId + "'")
}
nextQuery := strings.Join(nextQueryParts, " OR ")
err = database.DBCon.Model(&replies).
Where(nextQuery).
Where("date >= '" + message.Date.Format("2006-01-02 15:04:05") + "'").
Where("NOT id = ?", message.Id).
Select()
//
// If In-Reply is null, but there are references we will use the last message
// in the thread as In-Reply-To message
//
var inReplyTo []*models.Message
if message.InReplyToId == "" || message.InReplyTo == nil {
err = database.DBCon.Model(&inReplyTo).
Where(nextQuery).
Where("date <= '" + message.Date.Format("2006-01-02 15:04:05") + "'").
Where("NOT id = ?", message.Id).
Order("date DESC").
Limit(1).
Select()
if err == nil && len(inReplyTo) > 0 {
message.InReplyTo = inReplyTo[0]
}
}
}
sort.Slice(replies, func(i,j int) bool {
return replies[i].Date.Before(replies[j].Date)
})
renderMessageTemplate(w, listName, message, replies)
}
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