From 8158bee4cbb5cc599c38788f0aa12a489e5261c1 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Mon, 10 Jun 2019 17:32:32 +0200
Subject: Implement fetching privacy group members.

---
 src/client.rs |  9 +++++++--
 src/group.rs  | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/client.rs b/src/client.rs
index d5d264a..67c153f 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -16,7 +16,7 @@
 
 use crate::{
     error::Error,
-    group::GroupFetcher,
+    group::{GroupFetcher, GroupMembersFetcher},
     item::ItemBuilder,
     abook::AbookFetcher,
     abconfig::ABConfigFetcher,
@@ -37,6 +37,7 @@ pub const ZOTAPI_ABCONFIG_PATH : &str = "/api/z/1.0/abconfig";
 pub const ZOTAPI_CHANNEL_STREAM_PATH : &str = "/api/z/1.0/channel/stream";
 pub const ZOTAPI_NETWORK_STREAM_PATH : &str = "/api/z/1.0/network/stream";
 pub const ZOTAPI_GROUP_PATH : &str = "/api/z/1.0/group";
+pub const ZOTAPI_GROUP_MEMBERS_PATH : &str = "/api/z/1.0/group_members";
 pub const ZOTAPI_ITEM_UPDATE_PATH : &str = "/api/z/1.0/item/update";
 pub const ZOTAPI_XCHAN_PATH : &str = "/api/z/1.0/xchan";
 
@@ -77,6 +78,10 @@ impl Client {
         GroupFetcher::new(self)
     }
 
+    pub fn group_members(&self) -> GroupMembersFetcher {
+        GroupMembersFetcher::new(self)
+    }
+
     pub fn item(&self) -> ItemBuilder {
         ItemBuilder::new(self)
     }
@@ -100,7 +105,7 @@ impl Client {
     pub fn fetch_stream<T>(&self, path: &str, args: &T) -> Result<String, Error>
         where T: Serialize
     {
-        let url = self.url(path, args);
+        let url = dbg!(self.url(path, args));
         let mut res = self.inner.get(&url)
             .header(ACCEPT, "application/json")
             .basic_auth(self.user.clone(), Some(self.pw.clone()))
diff --git a/src/group.rs b/src/group.rs
index 64a6847..c01d5ae 100644
--- a/src/group.rs
+++ b/src/group.rs
@@ -18,6 +18,7 @@ use crate::{
     client::{self, Client},
     error::Error,
 };
+use serde::{Serialize, Serializer};
 
 pub struct GroupFetcher<'a> {
     client: &'a Client,
@@ -32,3 +33,48 @@ impl<'a> GroupFetcher<'a> {
         self.client.fetch_stream(client::ZOTAPI_GROUP_PATH, &())
     }
 }
+
+
+enum GroupSelector<'a> {
+    Id(u64),
+    Name(&'a str),
+}
+
+impl<'a> Serialize for GroupSelector<'a> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        match *self {
+            GroupSelector::Id(id) => [("group_id", id)].serialize(serializer),
+            GroupSelector::Name(n) => [("group_name", n)].serialize(serializer),
+        }
+    }
+}
+
+pub struct GroupMembersFetcher<'a> {
+    client: &'a Client,
+    id: Option<GroupSelector<'a>>,
+}
+
+impl<'a> GroupMembersFetcher<'a> {
+    pub fn new(client: &'a Client) -> GroupMembersFetcher<'a> {
+        GroupMembersFetcher { client, id: None }
+    }
+
+    pub fn by_group_id(&mut self, id: u64) -> &GroupMembersFetcher<'a> {
+        self.id = Some(GroupSelector::Id(id));
+        self
+    }
+
+    pub fn by_group_name(&mut self, name: &'a str) -> &GroupMembersFetcher<'a> {
+        self.id = Some(GroupSelector::Name(name));
+        self
+    }
+
+    pub fn fetch(&self) -> Result<String, Error> {
+        self.client.fetch_stream(
+            client::ZOTAPI_GROUP_MEMBERS_PATH,
+            &self.id.as_ref().unwrap())
+    }
+}
-- 
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