website/pkg/controller/inbox/compose.go

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package inbox
import (
"fmt"
"net/http"
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"code.nonshy.com/nonshy/website/pkg/models"
"code.nonshy.com/nonshy/website/pkg/session"
"code.nonshy.com/nonshy/website/pkg/templates"
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)
// Compose a new chat coming from a user's profile page.
func Compose() http.HandlerFunc {
tmpl := templates.Must("inbox/compose.html")
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// To whom?
username := r.FormValue("to")
user, err := models.FindUser(username)
if err != nil {
templates.NotFoundPage(w, r)
return
}
currentUser, err := session.CurrentUser(r)
if err != nil {
session.FlashError(w, r, "Unexpected error: could not get currentUser.")
templates.Redirect(w, "/")
return
}
if currentUser.ID == user.ID {
session.FlashError(w, r, "You cannot send a message to yourself.")
templates.Redirect(w, "/messages")
return
}
// Any blocking?
if models.IsBlocking(currentUser.ID, user.ID) && !currentUser.IsAdmin {
session.FlashError(w, r, "You are blocked from sending a message to this user.")
templates.Redirect(w, "/messages")
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return
}
// POSTing?
if r.Method == http.MethodPost {
var (
message = r.FormValue("message")
from = r.FormValue("from") // e.g. "inbox", default "profile", where to redirect to
)
if len(message) == 0 {
session.FlashError(w, r, "A message is required.")
templates.Redirect(w, r.URL.Path+"?to="+username)
return
}
// Post it!
m, err := models.SendMessage(currentUser.ID, user.ID, message)
if err != nil {
session.FlashError(w, r, "Failed to create the message in the database: %s", err)
templates.Redirect(w, r.URL.Path+"?to="+username)
return
}
session.Flash(w, r, "Your message has been delivered!")
if from == "inbox" {
templates.Redirect(w, fmt.Sprintf("/messages/read/%d", m.ID))
}
templates.Redirect(w, "/messages")
return
}
// On GET request (come from a user profile page):
// Do not allow a shy user to initiate DMs with a non-shy one.
var (
imShy = currentUser.IsShy()
theyreShy = user.IsShy()
isShyFrom = currentUser.IsShyFrom(user) || (imShy && !models.AreFriends(currentUser.ID, user.ID))
)
if imShy && isShyFrom && !theyreShy && !user.IsAdmin {
session.FlashError(w, r, "You have a Shy Account and can not initiate Direct Messages with a non-shy member.")
templates.Redirect(w, "/u/"+user.Username)
return
}
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var vars = map[string]interface{}{
"User": user,
}
if err := tmpl.Execute(w, r, vars); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
})
}