landed E-mail invites at three levels

invites.go

@@ -10,10 +10,13 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
+	"net/mail"
 
 	"git.erbosoft.com/amy/amsterdam/database"
+	"git.erbosoft.com/amy/amsterdam/email"
 	"git.erbosoft.com/amy/amsterdam/ui"
 )
 
@@ -59,7 +62,7 @@ func InviteToConference(ctxt ui.AmContext) (string, any, error) {
 	ctxt.VarMap().Set("amsterdam_pageTitle", "Send Invitation")
 	ctxt.VarMap().Set("title", "Send Conference Invitation")
 	ctxt.VarMap().Set("subtitle", conf.Name)
-	ctxt.VarMap().Set("backlink", fmt.Sprintf("/comm/%s/conf/%s", comm.Alias, ctxt.GetScratch("currentAlias")))
+	ctxt.VarMap().Set("backlink", fmt.Sprintf("/comm/%s/conf/%s/manage", comm.Alias, ctxt.GetScratch("currentAlias")))
 	ctxt.VarMap().Set("cid", fmt.Sprintf("%d", comm.Id))
 	ctxt.VarMap().Set("confid", fmt.Sprintf("%d", conf.ConfId))
 	return "framed_template", "invite.jet", nil
@@ -85,9 +88,100 @@ func InviteToTopic(ctxt ui.AmContext) (string, any, error) {
 	ctxt.VarMap().Set("amsterdam_pageTitle", "Send Invitation")
 	ctxt.VarMap().Set("title", "Send Topic Invitation")
 	ctxt.VarMap().Set("subtitle", topic.Name)
-	ctxt.VarMap().Set("backlink", fmt.Sprintf("/comm/%s/conf/%s/r/%d", comm.Alias, ctxt.GetScratch("currentAlias"), topic.Number))
+	ctxt.VarMap().Set("backlink", fmt.Sprintf("/comm/%s/conf/%s/op/%d/manage", comm.Alias, ctxt.GetScratch("currentAlias"), topic.Number))
 	ctxt.VarMap().Set("cid", fmt.Sprintf("%d", comm.Id))
 	ctxt.VarMap().Set("confid", fmt.Sprintf("%d", conf.ConfId))
 	ctxt.VarMap().Set("topicid", fmt.Sprintf("%d", topic.TopicId))
 	return "framed_template", "invite.jet", nil
 }
+
+/* InviteSend is the back end that handles sending invitations.
+ * Parameters:
+ *     ctxt - The AmContext for the request.
+ * Returns:
+ *     Command string dictating what to be rendered.
+ *     Data as a parameter for the command string.
+ *     Standard Go error status.
+ */
+func InviteSend(ctxt ui.AmContext) (string, any, error) {
+	backlink := ctxt.FormField("backlink")
+	if ctxt.FormFieldIsSet("cancel") {
+		return "redirect", backlink, nil
+	} else if !ctxt.FormFieldIsSet("send") {
+		return ui.ErrorPage(ctxt, errors.New("invalid command"))
+	}
+	var comm *database.Community
+	if ctxt.FormFieldIsSet("cid") {
+		id, err := ctxt.FormFieldInt("cid")
+		if err == nil {
+			comm, err = database.AmGetCommunity(ctxt.Ctx(), int32(id))
+		}
+		if err != nil {
+			return ui.ErrorPage(ctxt, err)
+		}
+	} else {
+		return ui.ErrorPage(ctxt, errors.New("no parameters specified"))
+	}
+	mode := "community"
+	var conf *database.Conference = nil
+	var topic *database.Topic = nil
+	if ctxt.FormFieldIsSet("confid") {
+		id, err := ctxt.FormFieldInt("confid")
+		if err == nil {
+			if conf, err = database.AmGetConference(ctxt.Ctx(), int32(id)); err == nil {
+				var f bool
+				if f, err = conf.InCommunity(ctxt.Ctx(), comm); err == nil {
+					if !f {
+						err = errors.New("invalid conference; not in community")
+					}
+				}
+			}
+		}
+		if err != nil {
+			return ui.ErrorPage(ctxt, err)
+		}
+		if ctxt.FormFieldIsSet("topicid") {
+			id, err := ctxt.FormFieldInt("topicid")
+			if err == nil {
+				topic, err = database.AmGetTopic(ctxt.Ctx(), int32(id))
+				if err == nil && topic.ConfId != conf.ConfId {
+					err = errors.New("invalid topic; not in conference")
+				}
+			}
+			if err != nil {
+				return ui.ErrorPage(ctxt, err)
+			}
+			mode = "topic"
+		} else {
+			mode = "conference"
+		}
+	}
+	addr := ctxt.FormField("addr")
+	_, err := mail.ParseAddress(addr)
+	if err != nil {
+		return ui.ErrorPage(ctxt, err)
+	}
+
+	ci, err := database.AmGetContactInfoForUser(ctxt.Ctx(), ctxt.CurrentUserId())
+	if err != nil {
+		return ui.ErrorPage(ctxt, err)
+	}
+
+	mailMessage := email.AmNewEmailMessage(ctxt.CurrentUserId(), ctxt.RemoteIP())
+	if comm.Public() {
+		mailMessage.SetTemplate("invite_public.jet")
+	} else {
+		mailMessage.SetTemplate("invite_private.jet")
+	}
+	mailMessage.AddTo(addr, "")
+	mailMessage.AddVariable("comm", comm)
+	mailMessage.AddVariable("conf", conf)
+	mailMessage.AddVariable("topic", topic)
+	mailMessage.AddVariable("mode", mode)
+	mailMessage.AddVariable("personal", ctxt.FormField("msg"))
+	mailMessage.AddVariable("fullname", ci.FullName(true))
+	mailMessage.AddVariable("username", ctxt.CurrentUser().Username)
+	mailMessage.Send()
+
+	return "redirect", backlink, nil
+}