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fix model

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This commit is contained in:
安礼成 2023-04-19 14:55:34 +08:00
parent 77f938e9df
commit e25469d1c5
9 changed files with 181 additions and 126 deletions
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4
apps/iot/include/iot.hrl
View File

@ -122,9 +122,11 @@
%% 终端设备表
-record(terminal, {
%% 设备ID
terminal_id :: binary(),
terminal_id :: integer(),
%% 关联主机
host_id :: binary(),
%% 序列号
serial_number = <<>> :: binary(),
%% 名称
name :: binary(),
%% 设备编码

23
apps/iot/src/http_handler/http_api_handler.erl
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@ -1,23 +0,0 @@
%%%-------------------------------------------------------------------
%%% @author licheng5
%%% @copyright (C) 2020, <COMPANY>
%%% @doc
%%%
%%% @end
%%% Created : 26. 4月 2020 3:36 下午
%%%-------------------------------------------------------------------
-module(http_api_handler).
-author("licheng5").
%% API
-export([handle_request/4]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
handle_request("GET", "/api/booking", _, _Params) ->
{ok, 200, iot_util:json_data(<<"success">>)};
handle_request("POST", _, _, Params) ->
lager:debug("body is: ~p", [Params]),
{ok, 200, iot_util:json_data(<<"success">>)}.

101
apps/iot/src/model/host_model.erl
View File

@ -30,7 +30,7 @@ get_all_hosts() ->
end,
case mnesia:transaction(Fun) of
{atomic, Items} when is_list(Items) ->
{ok, Items};
{ok, sort(Items)};
{aborted, Error} ->
{error, Error}
end.
@ -40,10 +40,16 @@ get_all_hosts() ->
{ok, Items :: list(), TotalNum :: integer()} |
{error, Reason :: any()}.
get_hosts(Spec, Start, Limit) when is_integer(Limit), is_integer(Start), Start >= 0, Limit > 0 ->
Items0 = mnesia:dirty_select(host, [Spec]),
Items = lists:reverse(Items0),
NItems = lists:sublist(Items, Start + 1, Limit),
{ok, NItems, length(Items)}.
Hosts0 = mnesia:dirty_select(host, [Spec]),
%% TODO 处理host的排序方式
SortedHosts = sort(Hosts0),
Len = length(SortedHosts),
case Len >= Start + 1 of
true ->
{ok, lists:sublist(SortedHosts, Start + 1, Limit), Len};
false ->
{ok, [], Len}
end.
%% 按照状态分组统计
get_stat() ->
@ -75,19 +81,25 @@ find_hosts(Pred, Start, Limit) when is_function(Pred, 1), is_integer(Limit), is_
end,
case mnesia:transaction(Fun) of
{atomic, Items} when is_list(Items) ->
Items1 = lists:reverse(Items),
{ok, lists:sublist(Items1, Start + 1, Limit), length(Items1)};
{atomic, Hosts0} when is_list(Hosts0) ->
Hosts = sort(Hosts0),
Len = length(Hosts),
case Len >= Start + 1 of
true ->
{ok, lists:sublist(Hosts, Start + 1, Limit), Len};
false ->
{ok, [], Len}
end;
{aborted, Error} ->
{error, Error}
end.
-spec add_host(Host :: #host{}) -> ok | {error, Reason :: any()}.
-spec add_host(Host :: #host{}) -> ok | {error, Reason :: binary()}.
add_host(Host = #host{serial_number = SerialNumber}) ->
Fun = fun() ->
Q = qlc:q([E || E <- mnesia:table(host), E#host.serial_number =:= SerialNumber]),
case qlc:e(Q) of
[_|_] ->
[_SomeHost|_] ->
mnesia:abort(<<"serial_number exists">>);
[] ->
mnesia:write(host, Host, write)
@ -95,7 +107,7 @@ add_host(Host = #host{serial_number = SerialNumber}) ->
end,
case mnesia:transaction(Fun) of
{atomic, _} ->
{atomic, ok} ->
ok;
{aborted, Error} ->
{error, Error}
@ -108,8 +120,7 @@ change_status(HostId, Status) when is_binary(HostId), is_integer(Status) ->
[] ->
mnesia:abort(<<"host not found">>);
[Host] ->
NHost = Host#host{status = Status},
mnesia:write(host, NHost, write)
mnesia:write(host, Host#host{status = Status}, write)
end
end,
case mnesia:transaction(Fun) of
@ -184,13 +195,12 @@ table_size() ->
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
to_map(#host{host_id = HostId, name = Name, model = Model, cell_id = CellId, activated_ts = ActivatedTs, update_ts = UpdateTs, status = Status,
metric = #host_metric{
cpus = Cpus,
cpu_temperature = CpuTemperature,
memory = #memory_metric{used = MemoryUsed, total = MemoryTotal},
disk = #disk_metric{used = DiskUsed, total = DiskTotal},
interfaces = Interfaces}}) ->
%% 主机信息的排序
sort(Hosts) when is_list(Hosts) ->
lists:sort(fun(#host{name = N1}, #host{name = N2}) -> N1 < N2 end, Hosts).
%% 将数据转换成hash
to_map(#host{host_id = HostId, name = Name, model = Model, cell_id = CellId, activated_ts = ActivatedTs, update_ts = UpdateTs, status = Status, metric = Metric}) ->
#{
<<"host_id">> => HostId,
<<"name">> => Name,
@ -199,27 +209,44 @@ to_map(#host{host_id = HostId, name = Name, model = Model, cell_id = CellId, act
<<"activated_ts">> => ActivatedTs,
<<"update_ts">> => UpdateTs,
<<"status">> => Status,
<<"metric">> => #{
<<"cpus">> => lists:map(fun(#cpu_metric{num = Num, load = Load}) ->
#{<<"num">> => Num, <<"load">> => Load }
end,
Cpus),
<<"metric">> => host_metric(Metric)
}.
host_metric(undefined) ->
#{};
host_metric(#host_metric{cpus = Cpus, cpu_temperature = CpuTemperature, memory = Memory, disk = Disk, interfaces = Interfaces}) ->
#{
<<"cpus">> => host_cpus(Cpus),
<<"cpu_temperature">> => CpuTemperature,
<<"memory">> => #{
<<"used">> => MemoryUsed,
<<"total">> => MemoryTotal
},
<<"disk">> => #{
<<"used">> => DiskUsed,
<<"total">> => DiskTotal
},
<<"interfaces">> => lists:map(fun(#interface_metric{name = IName, desc = IDesc, status = IStatus, detail = IDetail}) ->
<<"memory">> => host_memory(Memory),
<<"disk">> => host_disk(Disk),
<<"interfaces">> => host_interfaces(Interfaces)
}.
host_cpus(Cpus) when is_list(Cpus) ->
lists:map(fun(#cpu_metric{num = Num, load = Load}) -> #{<<"num">> => Num, <<"load">> => Load } end, Cpus);
host_cpus(_) ->
[].
host_memory(#memory_metric{used = MemoryUsed, total = MemoryTotal}) ->
#{<<"used">> => MemoryUsed, <<"total">> => MemoryTotal};
host_memory(_) ->
#{}.
host_disk(#disk_metric{used = DiskUsed, total = DiskTotal}) ->
#{<<"used">> => DiskUsed, <<"total">> => DiskTotal};
host_disk(_) ->
#{}.
%% 转换接口信息
host_interfaces(Interfaces) when is_list(Interfaces) ->
lists:map(fun(#interface_metric{name = IName, desc = IDesc, status = IStatus, detail = IDetail}) ->
#{
<<"name">> => IName,
<<"desc">> => IDesc,
<<"status">> => IStatus,
<<"detatil">> => IDetail
}
end, Interfaces)
}
}.
end, Interfaces);
host_interfaces(_) ->
[].

2
apps/iot/src/model/id_generator_model.erl
View File

@ -13,6 +13,8 @@
%% API
-export([generate/1]).
%% 生成对应的自增id
-spec generate(Name :: string()) -> {ok, Id :: integer()} | {error, Reason :: any()}.
generate(Name) when is_list(Name) ->
case mnesia:transaction(fun() -> mnesia:dirty_update_counter(id_generator, Name, 1) end) of
{atomic, Id} ->

29
apps/iot/src/model/issue_model.erl
View File

@ -30,9 +30,15 @@ get_issue(IssueId) when is_integer(IssueId) ->
{ok, Items :: list(), TotalNum :: integer()} |
{error, Reason :: any()}.
get_issues(Spec, Start, Limit) when is_integer(Limit), is_integer(Start), Start >= 0, Limit > 0 ->
Items = mnesia:dirty_select(?TAB_NAME, [Spec]),
NItems = lists:sublist(Items, Start + 1, Limit),
{ok, NItems, length(Items)}.
Issues0 = mnesia:dirty_select(?TAB_NAME, [Spec]),
Issues = sort(Issues0),
Len = length(Issues),
case Len >= Start + 1 of
true ->
{ok, lists:sublist(Issues, Start + 1, Limit), Len};
false ->
{ok, [], Len}
end.
-spec get_user_issues(UserId :: integer(), Start :: integer(), Limit :: integer()) ->
{ok, Items :: [#host{}], Num :: integer()} |
@ -43,8 +49,15 @@ get_user_issues(UserId, Start, Limit) when is_integer(UserId), is_integer(Limit)
qlc:e(Q)
end,
case mnesia:transaction(Fun) of
{atomic, Items} when is_list(Items) ->
{ok, lists:sublist(Items, Start + 1, Limit), length(Items)};
{atomic, Issues0} when is_list(Issues0) ->
Issues = sort(Issues0),
Len = length(Issues),
case Len >= Start + 1 of
true ->
{ok, lists:sublist(Issues, Start + 1, Limit), Len};
false ->
{ok, [], Len}
end;
{aborted, Error} ->
{error, Error}
end.
@ -52,7 +65,7 @@ get_user_issues(UserId, Start, Limit) when is_integer(UserId), is_integer(Limit)
-spec add_issue(Issue :: #issue{}) -> ok | {error, Reason :: any()}.
add_issue(Issue = #issue{}) ->
case mnesia:transaction(fun() -> mnesia:write(?TAB_NAME, Issue, write) end) of
{atomic, _} ->
{atomic, ok} ->
ok;
{aborted, Error} ->
{error, Error}
@ -92,6 +105,10 @@ table_size() ->
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 默认按照id倒序进行排序
sort(Issues) when is_list(Issues) ->
lists:sort(fun(#issue{issue_id = Id0}, #issue{issue_id = Id1}) -> Id0 < Id1 end, Issues).
to_map(#issue{issue_id = IssueId, name = Name, uid = Uid, deploy_type = DeployType, assoc_id = AssocId, hosts = Hosts, timeout = Timeout,
create_ts = CreateTs, results = Results, status = Status}) ->

34
apps/iot/src/model/router_model.erl
View File

@ -17,14 +17,14 @@
get_router(RouterId) when is_integer(RouterId) ->
case mnesia:dirty_read(router, RouterId) of
[Router = #router{}] ->
[Router] ->
{ok, Router};
_ ->
undefined
end.
%% 获取app信息
-spec get_all_routers() -> {ok, Items :: list()} | {error, Reason :: any()}.
-spec get_all_routers() -> {ok, Routers :: list()} | {error, Reason :: any()}.
get_all_routers() ->
Fun = fun() ->
Q = qlc:q([E || E <- mnesia:table(router)]),
@ -32,13 +32,13 @@ get_all_routers() ->
end,
case mnesia:transaction(Fun) of
{atomic, Routers} ->
{ok, Routers};
{aborted, _} ->
error
{ok, sort(Routers)};
{aborted, Reason} ->
{error, Reason}
end.
%% 获取app信息
-spec get_all_valid_routers() -> {ok, Items :: list()} | {error, Reason :: any()}.
-spec get_all_valid_routers() -> {ok, Routers :: list()} | {error, Reason :: any()}.
get_all_valid_routers() ->
Fun = fun() ->
Q = qlc:q([E || E <- mnesia:table(router), E#router.status =:= 1]),
@ -46,9 +46,9 @@ get_all_valid_routers() ->
end,
case mnesia:transaction(Fun) of
{atomic, Routers} ->
{ok, Routers};
{aborted, _} ->
error
{ok, sort(Routers)};
{aborted, Reason} ->
{error, Reason}
end.
%% 获取app信息
@ -56,10 +56,15 @@ get_all_valid_routers() ->
{ok, Items :: list(), TotalNum :: integer()} |
{error, Reason :: any()}.
get_routers(Spec, Start, Limit) when is_integer(Limit), is_integer(Start), Start >= 0, Limit > 0 ->
Items0 = mnesia:dirty_select(router, [Spec]),
Items = lists:reverse(Items0),
NItems = lists:sublist(Items, Start + 1, Limit),
{ok, NItems, length(Items)}.
Routers0 = mnesia:dirty_select(router, [Spec]),
Routers = sort(Routers0),
Len = length(Routers),
case Len >= Start + 1 of
true ->
{ok, lists:sublist(Routers, Start + 1, Limit), Len};
false ->
{ok, [], Len}
end.
-spec add_router(Router :: #router{}) -> ok | {error, Reason :: any()}.
add_router(Router = #router{}) ->
@ -121,6 +126,9 @@ table_size() ->
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
sort(Routers) when is_list(Routers) ->
lists:sort(fun(#router{router_id = Id0}, #router{router_id = Id1}) -> Id0 < Id1 end, Routers).
to_map(#router{router_id = RouterId, name = Name, status = Status, endpoint = Endpoint}) ->
EndpointInfo = case Endpoint of
undefined ->

21
apps/iot/src/model/scenario_deploy_model.erl
View File

@ -2,7 +2,7 @@
%%% @author licheng5
%%% @copyright (C) 2021, <COMPANY>
%%% @doc
%%%
%%% 场景部署关系表
%%% @end
%%% Created : 27. 4月 2021 下午4:38
%%%-------------------------------------------------------------------
@ -17,7 +17,7 @@
-export([get_host_deploy_list/1, get_scenario_deploy_list/1, add_deploy/1, change_status/2, delete/1, table_size/0]).
-export([to_map/1]).
-spec get_host_deploy_list(HostId :: binary()) -> {ok, List :: [#scenario_deploy{}]} | error.
-spec get_host_deploy_list(HostId :: binary()) -> {ok, List :: [#scenario_deploy{}]} | {error, Reason :: any()}.
get_host_deploy_list(HostId) when is_binary(HostId) ->
Fun = fun() ->
Q = qlc:q([E || E <- mnesia:table(?TAB_NAME), E#scenario_deploy.host_id =:= HostId]),
@ -25,12 +25,12 @@ get_host_deploy_list(HostId) when is_binary(HostId) ->
end,
case mnesia:transaction(Fun) of
{atomic, Items} ->
{ok, Items};
{aborted, _} ->
error
{ok, sort(Items)};
{aborted, Reason} ->
{error, Reason}
end.
-spec get_scenario_deploy_list(ScenarioId :: integer()) -> {ok, List :: [#scenario_deploy{}]} | error.
-spec get_scenario_deploy_list(ScenarioId :: integer()) -> {ok, List :: [#scenario_deploy{}]} | {error, Reason :: any()}.
get_scenario_deploy_list(ScenarioId) when is_integer(ScenarioId) ->
Fun = fun() ->
Q = qlc:q([E || E <- mnesia:table(?TAB_NAME), E#scenario_deploy.scenario_id =:= ScenarioId]),
@ -38,9 +38,9 @@ get_scenario_deploy_list(ScenarioId) when is_integer(ScenarioId) ->
end,
case mnesia:transaction(Fun) of
{atomic, Items} ->
{ok, Items};
{aborted, _} ->
error
{ok, sort(Items)};
{aborted, Reason} ->
{error, Reason}
end.
-spec add_deploy(Deploy :: #scenario_deploy{}) -> ok | {error, Reason :: any()}.
@ -86,6 +86,9 @@ table_size() ->
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
sort(DeployList) when is_list(DeployList) ->
lists:sort(fun(#scenario_deploy{deploy_id = Id0}, #scenario_deploy{deploy_id = Id1}) -> Id0 < Id1 end, DeployList).
to_map(#scenario_deploy{deploy_id = DeployId, scenario_id = ScenarioId, host_id = HostId, create_ts = CreateTs, update_ts = UpdateTs, status = Status}) ->
#{
<<"deploy_id">> => DeployId,

29
apps/iot/src/model/scenario_model.erl
View File

@ -11,12 +11,15 @@
-include("iot.hrl").
-include_lib("stdlib/include/qlc.hrl").
-define(TAB_NAME, scenario).
%% API
-export([get_scenario/1, get_scenario_list/3, add_scenario/1, change_status/2, delete/1, table_size/0]).
-export([to_map/1, match_spec/1]).
-spec get_scenario(ScenarioId :: integer()) -> {ok, #scenario{}} | undefined.
get_scenario(ScenarioId) when is_integer(ScenarioId) ->
case mnesia:dirty_read(scenario, ScenarioId) of
case mnesia:dirty_read(?TAB_NAME, ScenarioId) of
[Scenario = #scenario{}] ->
{ok, Scenario};
_ ->
@ -28,15 +31,20 @@ get_scenario(ScenarioId) when is_integer(ScenarioId) ->
{ok, Items :: list(), TotalNum :: integer()} |
{error, Reason :: any()}.
get_scenario_list(Spec, Start, Limit) when is_integer(Limit), is_integer(Start), Start >= 0, Limit > 0 ->
Items0 = mnesia:dirty_select(scenario, [Spec]),
Items = lists:reverse(Items0),
NItems = lists:sublist(Items, Start + 1, Limit),
{ok, NItems, length(Items)}.
Scenarios0 = mnesia:dirty_select(?TAB_NAME, [Spec]),
Scenarios = sort(Scenarios0),
Len = length(Scenarios),
case Len >= Start + 1 of
true ->
{ok, lists:sublist(Scenarios, Start + 1, Limit), Len};
false ->
{ok, [], Len}
end.
-spec add_scenario(Scenario :: #scenario{}) -> ok | {error, Reason :: any()}.
add_scenario(Scenario = #scenario{}) ->
case mnesia:transaction(fun() -> mnesia:write(scenario, Scenario, write) end) of
{atomic, _} ->
case mnesia:transaction(fun() -> mnesia:write(?TAB_NAME, Scenario, write) end) of
{atomic, ok} ->
ok;
{aborted, Error} ->
{error, Error}
@ -49,7 +57,7 @@ change_status(ScenarioId, Status) when is_integer(ScenarioId), is_integer(Status
[] ->
mnesia:abort(<<"scenario not found">>);
[Scenario] ->
mnesia:write(scenario, Scenario#scenario{status = Status}, write)
mnesia:write(?TAB_NAME, Scenario#scenario{status = Status}, write)
end
end,
case mnesia:transaction(Fun) of
@ -61,7 +69,7 @@ change_status(ScenarioId, Status) when is_integer(ScenarioId), is_integer(Status
-spec delete(ScenarioId :: binary()) -> ok | {error, Reason :: any()}.
delete(ScenarioId) when is_integer(ScenarioId) ->
case mnesia:transaction(fun() -> mnesia:delete(scenario, ScenarioId, write) end) of
case mnesia:transaction(fun() -> mnesia:delete(?TAB_NAME, ScenarioId, write) end) of
{atomic, ok} ->
ok;
{aborted, Reason} ->
@ -93,6 +101,9 @@ table_size() ->
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
sort(Scenarios) when is_list(Scenarios) ->
lists:sort(fun(#scenario{scenario_id = Id0}, #scenario{scenario_id = Id1}) -> Id0 < Id1 end, Scenarios).
to_map(#scenario{scenario_id = ScenarioId, name = Name, desc = Desc, rule = Rule, update_ts = UpdateTs, status = Status}) ->
#{
<<"scenario_id">> => ScenarioId,

52
apps/iot/src/model/terminal_model.erl
View File

@ -11,43 +11,47 @@
-include("iot.hrl").
-include_lib("stdlib/include/qlc.hrl").
-define(TAB_NAME, terminal).
%% API
-export([get_all_terminals/0, get_host_terminals/1, get_status_stat/0, table_size/0]).
-export([change_status/2, delete/1, to_map/1, add_terminal/1]).
%% 获取app信息
-spec get_all_terminals() -> {ok, Terminals :: [#terminal{}]} | {error, Reason :: any()}.
get_all_terminals() ->
Fun = fun() ->
Q = qlc:q([E || E <- mnesia:table(terminal)]),
Q = qlc:q([E || E <- mnesia:table(?TAB_NAME)]),
qlc:e(Q)
end,
case mnesia:transaction(Fun) of
{atomic, Items} when is_list(Items) ->
{ok, Items};
{atomic, Terminals} when is_list(Terminals) ->
{ok, sort(Terminals)};
{aborted, Error} ->
{error, Error}
end.
-spec get_host_terminals(HostId :: binary()) -> {ok, Terminals :: [#terminal{}]} | {error, Reason :: any()}.
get_host_terminals(HostId) when is_binary(HostId) ->
Fun = fun() ->
Q = qlc:q([E || E <- mnesia:table(terminal), E#terminal.host_id =:= HostId]),
Q = qlc:q([E || E <- mnesia:table(?TAB_NAME), E#terminal.host_id =:= HostId]),
qlc:e(Q)
end,
case mnesia:transaction(Fun) of
{atomic, Items} when is_list(Items) ->
{ok, Items};
{atomic, Terminals} when is_list(Terminals) ->
{ok, sort(Terminals)};
{aborted, Error} ->
{error, Error}
end.
%% 获取状态分组统计信息
-spec get_status_stat() -> {ok, #{}} | {error, Reason :: any()}.
-spec get_status_stat() -> {ok, Stat :: #{}} | {error, Reason :: any()}.
get_status_stat() ->
Fun = fun() ->
mnesia:foldl(fun(#terminal{status = Status}, Acc) ->
Num = maps:get(Status, Acc, 0),
Acc#{Status => Num + 1}
end, #{}, terminal)
end, #{}, ?TAB_NAME)
end,
case mnesia:transaction(Fun) of
@ -57,22 +61,23 @@ get_status_stat() ->
{error, Reason}
end.
-spec add_terminal(Terminal :: #terminal{}) -> ok | {error, Reason :: any()}.
add_terminal(Terminal = #terminal{}) ->
case mnesia:transaction(fun() -> mnesia:write(terminal, Terminal, write) end) of
case mnesia:transaction(fun() -> mnesia:write(?TAB_NAME, Terminal, write) end) of
{atomic, _} ->
ok;
{aborted, Error} ->
{error, Error}
end.
change_status(TerminalId, Status) when is_binary(TerminalId), is_integer(Status) ->
-spec change_status(TerminalId :: integer(), Status :: integer()) -> ok | {error, Reason :: any()}.
change_status(TerminalId, Status) when is_integer(TerminalId), is_integer(Status) ->
Fun = fun() ->
case mnesia:read(terminal, TerminalId) of
case mnesia:read(?TAB_NAME, TerminalId) of
[] ->
mnesia:abort(<<"terminal not found">>);
[Terminal] ->
NTerminal = Terminal#host{status = Status},
mnesia:write(terminal, NTerminal, write)
mnesia:write(?TAB_NAME, Terminal#host{status = Status}, write)
end
end,
case mnesia:transaction(Fun) of
@ -82,8 +87,9 @@ change_status(TerminalId, Status) when is_binary(TerminalId), is_integer(Status)
{error, Reason}
end.
delete(TerminalId) when is_binary(TerminalId) ->
case mnesia:transaction(fun() -> mnesia:delete(terminal, TerminalId, write) end) of
-spec delete(TerminalId :: integer()) -> ok | {error, Reason :: any()}.
delete(TerminalId) when is_integer(TerminalId) ->
case mnesia:transaction(fun() -> mnesia:delete(?TAB_NAME, TerminalId, write) end) of
{atomic, ok} ->
ok;
{aborted, Reason} ->
@ -94,11 +100,19 @@ delete(TerminalId) when is_binary(TerminalId) ->
table_size() ->
mnesia:table_info(host, size).
to_map(#terminal{terminal_id = TerminalId, host_id = HostId, name = Name, code = Code, access_protocol = AccessProtocol,
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
sort(Terminals) when is_list(Terminals) ->
lists:sort(fun(#terminal{terminal_id = Id0}, #terminal{terminal_id = Id1}) -> Id0 < Id1 end, Terminals).
to_map(#terminal{terminal_id = TerminalId, host_id = HostId, serial_number = SerialNumber, name = Name, code = Code, access_protocol = AccessProtocol,
product_id = ProductId, vendor_id = VendorId, model = Model, cell_id = CellId, status = Status, update_ts = UpdateTs}) ->
#{
<<"terminal_id">> => TerminalId,
<<"host_id">> => HostId,
<<"serial_number">> => SerialNumber,
<<"name">> => Name,
<<"code">> => Code,
<<"access_protocol">> => AccessProtocol,
@ -109,9 +123,3 @@ to_map(#terminal{terminal_id = TerminalId, host_id = HostId, name = Name, code =
<<"status">> => Status,
<<"update_ts">> => UpdateTs
}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% helper methods
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%