extractor.anubis
7.61 KB
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/*
* Created by PyramIDE.
* User: フランスのトトロ aka (David RENÉ)
* Date: 25/03/2017
* Time: 03:18
* © David RENÉ
*/
read hayamiki_lib/types/hayamiki.anubis
read json.anubis
read tools/streams.anubis
public define String
from_DB_cursor
(
HK_Model_Field t,
String cursor, //db cursor name
Int index //current index of the column in the cursor
) =
with cursor_index = "("+cursor+")("+index+")",
if t is
{
p_key then "db_id((Int)db_integer"+cursor_index+")",
boolean_field then "db_bool"+cursor_index,
date_field(_) then "db_date(text"+cursor_index+")",
time_field(_) then "db_time(text"+cursor_index+")",
datetime_field(_) then "db_datetime(text"+cursor_index+")",
foreign_key(_,_,_,_,_) then "db_id((Int)db_integer"+cursor_index+")",
integer_field(_) then "(Int)db_integer"+cursor_index,
float_field then "db_float"+cursor_index,
char_field(_,_) then "text"+cursor_index,
password_field(_) then "text"+cursor_index,
text_field(_) then "text"+cursor_index,
color_field then "text"+cursor_index,
phone_field(_) then "text"+cursor_index,
// mobile_field then "text"+cursor_index,
url_field then "text"+cursor_index,
email_field then "text"+cursor_index
}.
define List(String)
/**
*/
components
(
List(HK_Model_Column) columns,
String cursor_name,
List(String) so_far,
Int idx
)=
if columns is
{
[] then reverse(so_far),
[h . t ] then
since h is hk_column(name, col_type, _, _),
with line = fill(from_DB_cursor(col_type, cursor_name, idx), 35)+ "/* "+name+" */",
components(t, cursor_name, [line . so_far], idx + 1 )
}.
public define String
generate_constructor_from_cursor
(
String constructor_name,
String cursor_name,
List(HK_Model_Column) columns,
String indent
)=
indent+constructor_name+"(\n"+indent+" "+join(",\n"+indent+" ", components(columns, cursor_name, [], 0))+"\n"+indent+")".
public define Maybe(One)
generate_extract_db_cursor_to_mb_type
(
Stream stream,
HK_Table table
)=
since table is hk_table(name, short_name, model, display),
since model is hk_model(columns, constraint, _),
with type_name = to_upper(name, 1), //make the first character to upper case to able to be a Anubis Type.
//generate the type of the table that contain all components
if write_string(stream,
"\n\n"+
"public define Maybe("+type_name+")\n"+
" extract_"+name+"\n"+
" (\n"+
" One -> SQLite3Row table_cursor\n"+
" ) =\n"+
" if table_cursor(unique) is\n"+
" {\n"+
" error(sql_error) then println(db_error(sql_error, \"extract_"+name+"\")); failure,\n"+
" no_more_row then failure,\n"+
" row(cursor) then\n"+
" success(\n"+generate_constructor_from_cursor(name, "cursor", columns, " ")+")\n"+ //generate type construction with values got from web arg
" }.\n") is //end of the function
{
failure then println("can't write generate_extract_db_cursor "+type_name); failure,
success(_) then success(unique)
}.
/************* JSON *************/
define List(String)
/**
*/
to_json_member
(
List(HK_Model_Column) columns,
String cursor_name,
List(String) so_far,
Int idx
)=
if columns is
{
[] then reverse(so_far),
[h . t ] then
since h is hk_column(name, col_type, _, _),
with line = fill(from_DB_cursor_to_JSON(h, cursor_name, idx), 135)+ "/* "+name+" */",
to_json_member(t, cursor_name, [line . so_far], idx + 1 )
}
.
public define String
generate_json_object_from_cursor
(
String constructor_name,
String cursor_name,
List(HK_Model_Column) columns,
String indent
)=
indent+"json_object([\n"+indent+" "+join(",\n"+indent+" ", to_json_member(columns, cursor_name, [], 0))+"\n"+indent+"])"
.
define List(String)
/**
*/
to_get_extractor_line_json_member
(
List(HK_Model_Column) columns,
String cursor_name,
List(String) so_far,
Int idx
)=
if columns is
{
[] then reverse(so_far),
[h . t ] then
since h is hk_column(name, col_type, _, _),
with line = "if component_name =\""+name+"\" then ((Int -> SQLite3Datum) cursor) |-> "+from_DB_cursor_to_JSON(h, cursor_name, idx),
to_get_extractor_line_json_member(t, cursor_name, [line . so_far], idx + 1 )
}
.
public define String
generate_json_extractor
(
String constructor_name,
String cursor_name,
List(HK_Model_Column) columns,
String indent
)=
indent+join("\n"+indent+"else ", to_get_extractor_line_json_member(columns, cursor_name, [], 0))+
"\n"+indent+"else if component_name =\"__HK_SHOW_STRING__\" then ((Int -> SQLite3Datum) cursor) |-> json_member(\"__HK_SHOW_STRING__\", json_string(get_"+constructor_name+"_show_string(db, db_id((Int)db_integer(cursor)(0)))))"+
"\n"+indent+"else ((Int -> SQLite3Datum) cursor) |-> json_member(component_name, json_null)".
public define Maybe(One)
generate_extract_db_cursor_to_json
(
Stream stream,
HK_Table table
)=
since table is hk_table(name, short_name, model, display),
since model is hk_model(columns, constraints, _),
with type_name = to_upper(name, 1), //make the first character to upper case to able to be a Anubis Type.
//generate the type of the table that contain all components
if write_string(stream,
"\n\n"+
// "public define Maybe(JsonValue)\n"+
// " extract_"+name+"_cursor_to_json\n"+
// " (\n"+
// " SQLite3DataBase db,\n"+
// " List(((Int -> SQLite3Datum) -> JsonMember)) extractors,\n"+
// " One -> SQLite3Row table_cursor\n"+
// " ) =\n"+
// " if table_cursor(unique) is\n"+
// " {\n"+
// " error(sql_error) then println(db_error(sql_error, \"extract_"+name+"\")); failure,\n"+
// " no_more_row then failure,\n"+
// " row(cursor) then\n"+
// " success(\n"+
// " json_object(\n"+
// " map(((Int -> SQLite3Datum) -> JsonMember extractor) |-> extractor(cursor) , extractors)\n"+
// " ))\n"+
// " }\n.\n\n"+
"public define String get_"+name+"_show_string(SQLite3DataBase db, DB_id _idx).\n\n"+
"define (Int -> SQLite3Datum) -> JsonMember\n"+
" get_extractor\n"+
" (\n"+
" SQLite3DataBase db,\n"+
" String component_name,\n"+
" Bool resolve_fk\n"+
" )=\n"+generate_json_extractor(name, "cursor", columns, " ")+
"\n.\n\n"+
"public define List(((Int -> SQLite3Datum) -> JsonMember))\n"+
" make_"+name+"_json_extractor\n"+
" (\n"+
" SQLite3DataBase db,\n"+
" List(String) columns,\n"+
" Bool resolve_fk\n"+
" )=\n"+
" map((String column) |-> get_extractor(db, column, resolve_fk), columns)\n"+
".\n"
) is //end of the function
{
failure then println("can't write generate_extract_db_cursor "+type_name); failure,
success(_) then success(unique)
}.