fix

apps/iot/src/model/host_model.erl

@@ -12,7 +12,7 @@
 -include_lib("stdlib/include/qlc.hrl").
 
 %% API
--export([get_all_hosts/0, insert/4, change_status/2]).
+-export([get_all_hosts/0, insert/4, change_status/2, delete/1, table_size/0]).
 
 %% 获取app信息
 get_all_hosts() ->
@@ -22,6 +22,7 @@ get_all_hosts() ->
           end,
     case mnesia:transaction(Fun) of
         {atomic, Items} when is_list(Items) ->
+            %% 按照状态分组统计
             Stat = lists:foldl(fun(#host{status = Status}, Acc) ->
                 Num = maps:get(Status, Acc, 0),
                 Acc#{Status => Num + 1}
@@ -37,7 +38,6 @@ insert(Id, Name, Model, CellId) ->
         name = Name,
         model = Model,
         cell_id = CellId,
-        terminal_num = 0,
         update_ts = 0,
         status = ?HOST_STATUS_INACTIVE
     },
@@ -49,11 +49,11 @@ insert(Id, Name, Model, CellId) ->
             {error, Error}
     end.
 
-change_status(Id, Status) ->
+change_status(HostId, Status) when is_binary(HostId), is_integer(Status) ->
     Fun = fun() ->
-        case mnesia:read(host, Id) of
+        case mnesia:read(host, HostId) of
             [] ->
-                mnesia:abort(<<"appinfo not found">>);
+                mnesia:abort(<<"host not found">>);
             [Host] ->
                 NHost = Host#host{status = Status},
                 mnesia:write(host, NHost, write)
@@ -66,8 +66,8 @@ change_status(Id, Status) ->
             {error, Reason}
     end.
 
-delete(Id) ->
-    case mnesia:transaction(fun() -> mnesia:delete(host, Id, write) end) of
+delete(HostId) when is_binary(HostId) ->
+    case mnesia:transaction(fun() -> mnesia:delete(host, HostId, write) end) of
         {atomic, ok} ->
             ok;
         {aborted, Reason} ->

apps/iot/src/model/terminal_model.erl

@@ -26,6 +26,12 @@ get_all_terminals() ->
             {error, Reason}
     end.
 
+get_status_groups() ->
+
+
+    ok.
+
+
 insert(Id, HostId, Name, ProductId, VendorId, Model, CellId) ->
     Terminal = #terminal{
         id = Id,