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query_class.dart
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query_class.dart
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part of katana_router_builder;
/// Create classes for queries.
///
/// Pass the value for the query to [model], the path created from the annotation to [path], and the annotation value to [annotation].
///
/// クエリー用のクラスを作成します。
///
/// [model]にクエリー用の値を[path]にアノテーションから作成されたパスを[annotation]にアノテーションの値を渡します。
List<Class> queryClass(
ClassValue model,
PathValue? path,
AnnotationValue annotation,
) {
return [
Class(
(c) => c
..name = "_\$${model.name}Query"
..extend = const Reference("RouteQueryBuilder")
..annotations.addAll([const Reference("immutable")])
..constructors.addAll([
Constructor(
(c) => c..constant = true,
)
])
..fields.addAll([
if (path != null)
Field(
(f) => f
..name = "_regExp"
..static = true
..modifier = FieldModifier.final$
..assignment = Code(
"RegExp(r\"^${path.path.trimQuery().trimString("/").replaceAllMapped(_pathRegExp, (match) {
return "(?<${match.group(1)!}>[^/?&]+)";
})}\$\")",
),
)
])
..methods.addAll([
Method(
(m) => m
..name = "call"
..lambda = true
..returns = Reference("_\$_${model.name}Query")
..annotations.addAll([const Reference("useResult")])
..optionalParameters.addAll([
...model.parameters.map((param) {
return Parameter(
(p) => p
..required = param.element.isRequired
..named = true
..type = Reference(param.type.toString())
..name = param.name,
);
}),
])
..body = Code(
"_\$_${model.name}Query(null, ${model.parameters.map((param) => "${param.name}:${param.name}").join(",")})",
),
),
Method(
(m) => m
..name = "resolve"
..annotations.addAll([const Reference("override")])
..returns = const Reference("RouteQuery?")
..requiredParameters.addAll([
Parameter(
(p) => p
..name = "path"
..type = const Reference("String?"),
)
])
..body = Code(
path == null
? "return null;"
: "if (path == null) { return null; } if (path.contains(\"?\")) { final split = path.split(\"?\"); final match = _regExp.firstMatch(split.first.trimString(\"/\")); if (match == null) { return null; } final query = Uri.splitQueryString(split.last); return _\$_${model.name}Query(path, ${model.parameters.map((param) => _defaultParsedValue(param, true)).join(",")}); } else { path = path.trimQuery().trimString(\"/\"); final match = _regExp.firstMatch(path.trimQuery().trimString(\"/\")); if (match == null) { return null; } return _\$_${model.name}Query(path, ${model.parameters.map((param) => _defaultParsedValue(param, false)).join(",")}); }",
),
),
]),
),
Class(
(c) => c
..name = "_\$_${model.name}Query"
..extend = const Reference("RouteQuery")
..annotations.addAll([const Reference("immutable")])
..constructors.addAll([
Constructor(
(c) => c
..constant = true
..requiredParameters.addAll([
Parameter(
(p) => p
..toThis = true
..name = "_path",
)
])
..optionalParameters.addAll([
...model.parameters.map((param) {
return Parameter(
(p) => p
..required = param.element.isRequired
..named = true
..toThis = true
..name = param.name,
);
}),
]),
)
])
..fields.addAll([
...model.parameters.map((param) {
return Field(
(f) => f
..name = param.name
..modifier = FieldModifier.final$
..type = Reference(param.type.toString()),
);
}),
Field(
(f) => f
..name = "_path"
..modifier = FieldModifier.final$
..type = const Reference("String?"),
),
])
..methods.addAll([
Method(
(m) => m
..name = "path"
..type = MethodType.getter
..annotations.addAll([const Reference("override")])
..lambda = true
..returns = const Reference("String")
..body = Code(
path == null
? "_path ?? \"${model.name.toSHA1()}\""
: "_path ?? \"${path.path.trimQuery().trimString("/").replaceAllMapped(_pathRegExp, (match) {
return "\$${match.group(1)?.toCamelCase()}";
})}\"",
),
),
Method(
(m) => m
..name = "name"
..type = MethodType.getter
..annotations.addAll([const Reference("override")])
..lambda = true
..returns = const Reference("String")
..body = Code(
annotation.name == null ? "path" : "\"${annotation.name}\"",
),
),
Method(
(m) => m
..name = "nested"
..annotations.addAll([const Reference("override")])
..type = MethodType.getter
..lambda = true
..returns = const Reference("bool")
..body = const Code("_path == null"),
),
Method(
(m) => m
..name = "key<E>"
..annotations.addAll([const Reference("override")])
..lambda = true
..returns = const Reference("E?")
..body = Code(
annotation.keyString == "null"
? "null"
: "${annotation.keyString} as E?",
),
),
Method(
(m) => m
..name = "redirect"
..annotations.addAll([const Reference("override")])
..lambda = true
..returns = const Reference("List<RedirectQuery>")
..body = Code("const [${annotation.redirectQueries.join(",")}]"),
),
Method(
(m) => m
..name = "route<E>"
..annotations.addAll([const Reference("override")])
..returns = const Reference("AppPageRoute<E>")
..optionalParameters.addAll([
Parameter(
(p) => p
..type = const Reference("TransitionQuery?")
..name = "query",
)
])
..body = Code(
"return AppPageRoute<E>(path: path,transitionQuery: query,builder: (context) => ${model.name}(${model.parameters.map((param) => "${param.name}:${param.name}").join(",")}),);",
),
),
]),
),
];
}
String _defaultParsedValue(ParamaterValue param, bool existQuery) {
if (existQuery) {
if (param.type.toString() == "String") {
return "${param.name}:match.groupNames.contains(\"${param.pageParamName}\") ? match.namedGroup(\"${param.pageParamName}\") ?? ( query.containsKey(\"${param.queryParamName}\") ? query[\"${param.queryParamName}\"] ?? ${_defaultValue(param)} : ${_defaultValue(param)}) : (query.containsKey(\"${param.queryParamName}\") ? query[\"${param.queryParamName}\"] ?? ${_defaultValue(param)} : ${_defaultValue(param)})";
} else {
return "${param.name}:(query.containsKey(\"${param.queryParamName}\") ? query[\"${param.queryParamName}\"] ?? ${_defaultValue(param)} : ${_defaultValue(param)})";
}
} else {
if (param.type.toString() == "String") {
return "${param.name}:match.groupNames.contains(\"${param.pageParamName}\") ? match.namedGroup(\"${param.pageParamName}\") ?? ${_defaultValue(param)} : ${_defaultValue(param)}";
} else {
return "${param.name}:${_defaultValue(param)}";
}
}
}