From c57e01a56c18e3b6b730f638ed952d44a63fea0d Mon Sep 17 00:00:00 2001
From: Andrea Zagli <azagli@libero.it>
Date: Mon, 25 Sep 2023 15:46:20 +0200
Subject: [PATCH] Started field validators.

---
 src/fields.rs     | 27 +++++++++++++++++
 src/lib.rs        |  1 +
 src/validators.rs | 74 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 102 insertions(+)
 create mode 100644 src/validators.rs

diff --git a/src/fields.rs b/src/fields.rs
index be1f9ca..fffff93 100644
--- a/src/fields.rs
+++ b/src/fields.rs
@@ -29,6 +29,7 @@ struct Field {
 	db_type: FieldDbType,
 	tmpl: tera::Tera,
 	filters: Vec<super::filters::Filter>,
+	validators: Vec<Box<dyn super::validators::TValidator>>,
 }
 
 pub trait TField {
@@ -68,6 +69,8 @@ pub trait TField {
 
 	fn filter(&mut self);
 
+	fn add_validator(&mut self, validator: Box<dyn super::validators::TValidator>);
+
 	fn set_template(&mut self, template: &str);
 
 	fn render(&self) -> String;
@@ -177,6 +180,10 @@ impl TField for FieldText {
 		}
 	}
 
+	fn add_validator(&mut self, validator: Box<dyn super::validators::TValidator>) {
+		self.field.validators.push(validator);
+	}
+
 	fn set_template(&mut self, template: &str) {
 		match self.field.tmpl.add_raw_template("field", template) {
 			Err(e) => { println!("{:?}", e) },
@@ -349,6 +356,10 @@ impl TField for FieldTextArea {
 		}
 	}
 
+	fn add_validator(&mut self, validator: Box<dyn super::validators::TValidator>) {
+		self.field.validators.push(validator);
+	}
+
 	fn set_template(&mut self, template: &str) {
 		match self.field.tmpl.add_raw_template("field", template) {
 			Err(e) => { println!("{:?}", e) },
@@ -530,6 +541,10 @@ impl TField for FieldRadio {
 		}
 	}
 
+	fn add_validator(&mut self, validator: Box<dyn super::validators::TValidator>) {
+		self.field.validators.push(validator);
+	}
+
 	fn set_template(&mut self, template: &str) {
 		match self.field.tmpl.add_raw_template("field", template) {
 			Err(e) => { println!("{:?}", e) },
@@ -739,6 +754,10 @@ impl TField for FieldSelect {
 		}
 	}
 
+	fn add_validator(&mut self, validator: Box<dyn super::validators::TValidator>) {
+		self.field.validators.push(validator);
+	}
+
 	fn set_template(&mut self, template: &str) {
 		match self.field.tmpl.add_raw_template("field", template) {
 			Err(e) => { println!("{:?}", e) },
@@ -913,6 +932,10 @@ impl TField for FieldCheck {
 		}
 	}
 
+	fn add_validator(&mut self, validator: Box<dyn super::validators::TValidator>) {
+		self.field.validators.push(validator);
+	}
+
 	fn set_template(&mut self, template: &str) {
 		match self.field.tmpl.add_raw_template("field", template) {
 			Err(e) => { println!("{:?}", e) },
@@ -1067,6 +1090,10 @@ impl TField for FieldButton {
 		}
 	}
 
+	fn add_validator(&mut self, validator: Box<dyn super::validators::TValidator>) {
+		self.field.validators.push(validator);
+	}
+
 	fn set_template(&mut self, template: &str) {
 		match self.field.tmpl.add_raw_template("field", template) {
 			Err(e) => { println!("{:?}", e) },
diff --git a/src/lib.rs b/src/lib.rs
index 39c5808..f2ec9f0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
 pub mod filters;
+pub mod validators;
 pub mod fields;
 pub mod form;
diff --git a/src/validators.rs b/src/validators.rs
new file mode 100644
index 0000000..a4cf75e
--- /dev/null
+++ b/src/validators.rs
@@ -0,0 +1,74 @@
+use std::default::Default;
+
+#[derive(Default)]
+struct Validator {
+	name: String,
+}
+
+pub trait TValidator {
+	fn get_name(&self) -> String;
+
+	fn validate(&self, value: &String) -> bool;
+}
+
+#[derive(Default)]
+pub struct ValidatorNotEmpty {
+	validator: Validator,
+}
+
+impl TValidator for ValidatorNotEmpty {
+	fn get_name(&self) -> String {
+		String::from(&self.validator.name)
+	}
+
+	fn validate(&self, value: &String) -> bool {
+		if value != "" {
+			true
+		} else {
+			false
+		}
+	}
+}
+
+impl ValidatorNotEmpty {
+	pub fn new(name: &String) -> Self {
+		let mut v: ValidatorNotEmpty = Default::default();
+		v.validator.name = String::from(name);
+
+		v
+	}
+}
+
+#[derive(Default)]
+pub struct ValidatorRegex {
+	validator: Validator,
+	regex: String,
+}
+
+impl TValidator for ValidatorRegex {
+	fn get_name(&self) -> String {
+		String::from(&self.validator.name)
+	}
+
+	fn validate(&self, value: &String) -> bool {
+		true
+	}
+}
+
+impl ValidatorRegex {
+	pub fn new(name: &String, regex: &str) -> Self {
+		let mut v: ValidatorRegex = Default::default();
+		v.validator.name = String::from(name);
+		v.regex = String::from(regex);
+
+		v
+	}
+
+	pub fn get_regex(&self) -> String {
+		String::from(&self.regex)
+	}
+
+	pub fn set_regex(&mut self, regex: &str) {
+		self.regex = String::from(regex);
+	}
+}
-- 
2.49.0