From cce7cb48081ca090ac2d3a0e781dfbc25d581946 Mon Sep 17 00:00:00 2001
From: Ben Burwell <ben@benburwell.com>
Date: Sun, 7 Jul 2019 22:43:56 -0400
Subject: Factor UI models out of the worker message package

Before, the information needed to display different parts of the UI was
tightly coupled to the specific messages being sent back and forth to
the backend worker. Separating out a models package allows us to be more
specific about exactly what a backend is able to and required to
provide for the UI.
---
 lib/indexformat.go |  4 ++--
 lib/msgstore.go    | 37 +++++++++++++++++++------------------
 2 files changed, 21 insertions(+), 20 deletions(-)

(limited to 'lib')

diff --git a/lib/indexformat.go b/lib/indexformat.go
index 9e7a805..43d2ef8 100644
--- a/lib/indexformat.go
+++ b/lib/indexformat.go
@@ -9,11 +9,11 @@ import (
 	"github.com/emersion/go-imap"
 
 	"git.sr.ht/~sircmpwn/aerc/config"
-	"git.sr.ht/~sircmpwn/aerc/worker/types"
+	"git.sr.ht/~sircmpwn/aerc/models"
 )
 
 func ParseIndexFormat(conf *config.AercConfig, number int,
-	msg *types.MessageInfo) (string, []interface{}, error) {
+	msg *models.MessageInfo) (string, []interface{}, error) {
 
 	format := conf.Ui.IndexFormat
 	retval := make([]byte, 0, len(format))
diff --git a/lib/msgstore.go b/lib/msgstore.go
index 09cf31f..77160ae 100644
--- a/lib/msgstore.go
+++ b/lib/msgstore.go
@@ -6,14 +6,15 @@ import (
 
 	"github.com/emersion/go-imap"
 
+	"git.sr.ht/~sircmpwn/aerc/models"
 	"git.sr.ht/~sircmpwn/aerc/worker/types"
 )
 
 // Accesses to fields must be guarded by MessageStore.Lock/Unlock
 type MessageStore struct {
 	Deleted  map[uint32]interface{}
-	DirInfo  types.DirectoryInfo
-	Messages map[uint32]*types.MessageInfo
+	DirInfo  models.DirectoryInfo
+	Messages map[uint32]*models.MessageInfo
 	// Ordered list of known UIDs
 	Uids []uint32
 
@@ -33,7 +34,7 @@ type MessageStore struct {
 }
 
 func NewMessageStore(worker *types.Worker,
-	dirInfo *types.DirectoryInfo) *MessageStore {
+	dirInfo *models.DirectoryInfo) *MessageStore {
 
 	return &MessageStore{
 		Deleted: make(map[uint32]interface{}),
@@ -106,11 +107,11 @@ func (store *MessageStore) FetchBodyPart(
 		if !ok {
 			return
 		}
-		cb(msg.Reader)
+		cb(msg.Part.Reader)
 	})
 }
 
-func merge(to *types.MessageInfo, from *types.MessageInfo) {
+func merge(to *models.MessageInfo, from *models.MessageInfo) {
 	if from.BodyStructure != nil {
 		to.BodyStructure = from.BodyStructure
 	}
@@ -131,11 +132,11 @@ func (store *MessageStore) Update(msg types.WorkerMessage) {
 	update := false
 	switch msg := msg.(type) {
 	case *types.DirectoryInfo:
-		store.DirInfo = *msg
+		store.DirInfo = *msg.Info
 		store.worker.PostAction(&types.FetchDirectoryContents{}, nil)
 		update = true
 	case *types.DirectoryContents:
-		newMap := make(map[uint32]*types.MessageInfo)
+		newMap := make(map[uint32]*models.MessageInfo)
 		for _, uid := range msg.Uids {
 			if msg, ok := store.Messages[uid]; ok {
 				newMap[uid] = msg
@@ -147,14 +148,14 @@ func (store *MessageStore) Update(msg types.WorkerMessage) {
 		store.Uids = msg.Uids
 		update = true
 	case *types.MessageInfo:
-		if existing, ok := store.Messages[msg.Uid]; ok && existing != nil {
-			merge(existing, msg)
+		if existing, ok := store.Messages[msg.Info.Uid]; ok && existing != nil {
+			merge(existing, msg.Info)
 		} else {
-			store.Messages[msg.Uid] = msg
+			store.Messages[msg.Info.Uid] = msg.Info
 		}
-		if _, ok := store.pendingHeaders[msg.Uid]; msg.Envelope != nil && ok {
-			delete(store.pendingHeaders, msg.Uid)
-			if cbs, ok := store.headerCallbacks[msg.Uid]; ok {
+		if _, ok := store.pendingHeaders[msg.Info.Uid]; msg.Info.Envelope != nil && ok {
+			delete(store.pendingHeaders, msg.Info.Uid)
+			if cbs, ok := store.headerCallbacks[msg.Info.Uid]; ok {
 				for _, cb := range cbs {
 					cb(msg)
 				}
@@ -162,11 +163,11 @@ func (store *MessageStore) Update(msg types.WorkerMessage) {
 		}
 		update = true
 	case *types.FullMessage:
-		if _, ok := store.pendingBodies[msg.Uid]; ok {
-			delete(store.pendingBodies, msg.Uid)
-			if cbs, ok := store.bodyCallbacks[msg.Uid]; ok {
+		if _, ok := store.pendingBodies[msg.Content.Uid]; ok {
+			delete(store.pendingBodies, msg.Content.Uid)
+			if cbs, ok := store.bodyCallbacks[msg.Content.Uid]; ok {
 				for _, cb := range cbs {
-					cb(msg.Reader)
+					cb(msg.Content.Reader)
 				}
 			}
 		}
@@ -283,7 +284,7 @@ func (store *MessageStore) Read(uids []uint32, read bool,
 	}, cb)
 }
 
-func (store *MessageStore) Selected() *types.MessageInfo {
+func (store *MessageStore) Selected() *models.MessageInfo {
 	return store.Messages[store.Uids[len(store.Uids)-store.selected-1]]
 }
 
-- 
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