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Patryk Czarnik
alx_java2b_20250412
Commits
ca963626
Commit
ca963626
authored
May 31, 2025
by
Patryk Czarnik
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wyszukiwarka - gotowa
parent
454ab788
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Showing
4 changed files
with
48 additions
and
3 deletions
+48
-3
ProductController.java
...ing/src/main/java/sklep/controller/ProductController.java
+21
-1
Order.java
PC37-SklepSpring/src/main/java/sklep/model/Order.java
+0
-1
Product.java
PC37-SklepSpring/src/main/java/sklep/model/Product.java
+0
-1
ProductRepository.java
...ing/src/main/java/sklep/repository/ProductRepository.java
+27
-0
No files found.
PC37-SklepSpring/src/main/java/sklep/controller/ProductController.java
View file @
ca963626
...
@@ -30,7 +30,27 @@ public class ProductController {
...
@@ -30,7 +30,27 @@ public class ProductController {
@GetMapping
(
"/szukaj"
)
@GetMapping
(
"/szukaj"
)
public
String
findProducts
(
Model
model
,
String
name
,
BigDecimal
min
,
BigDecimal
max
)
{
public
String
findProducts
(
Model
model
,
String
name
,
BigDecimal
min
,
BigDecimal
max
)
{
List
<
Product
>
products
=
productRepository
.
findByProductName
(
name
);
List
<
Product
>
products
=
List
.
of
();
if
(
name
!=
null
&&
!
name
.
isEmpty
()
&&
min
==
null
&&
max
==
null
)
{
products
=
productRepository
.
findByProductNameContainsIgnoringCase
(
name
);
}
else
if
((
name
==
null
||
name
.
isEmpty
())
&&
(
min
!=
null
||
max
!=
null
))
{
if
(
min
==
null
)
{
min
=
BigDecimal
.
ZERO
;
}
if
(
max
==
null
)
{
max
=
BigDecimal
.
valueOf
(
1000_000_000
);
}
products
=
productRepository
.
findByPriceBetween
(
min
,
max
);
}
else
if
(
name
!=
null
&&
!
name
.
isEmpty
())
{
if
(
min
==
null
)
{
min
=
BigDecimal
.
ZERO
;
}
if
(
max
==
null
)
{
max
=
BigDecimal
.
valueOf
(
1000_000_000
);
}
products
=
productRepository
.
findByProductNameContainingIgnoringCaseAndPriceBetween
(
name
,
min
,
max
);
}
model
.
addAttribute
(
"products"
,
products
);
model
.
addAttribute
(
"products"
,
products
);
return
"wyszukiwarka"
;
return
"wyszukiwarka"
;
}
}
...
...
PC37-SklepSpring/src/main/java/sklep/model/Order.java
View file @
ca963626
...
@@ -13,7 +13,6 @@ import java.util.Set;
...
@@ -13,7 +13,6 @@ import java.util.Set;
public
class
Order
{
public
class
Order
{
@Id
@Id
@GeneratedValue
(
strategy
=
GenerationType
.
IDENTITY
)
@GeneratedValue
(
strategy
=
GenerationType
.
IDENTITY
)
@ColumnDefault
(
"nextval('orders_seq'::regclass)"
)
@Column
(
name
=
"order_id"
,
nullable
=
false
)
@Column
(
name
=
"order_id"
,
nullable
=
false
)
private
Integer
id
;
private
Integer
id
;
...
...
PC37-SklepSpring/src/main/java/sklep/model/Product.java
View file @
ca963626
...
@@ -11,7 +11,6 @@ import java.math.BigDecimal;
...
@@ -11,7 +11,6 @@ import java.math.BigDecimal;
public
class
Product
{
public
class
Product
{
@Id
@Id
@GeneratedValue
(
strategy
=
GenerationType
.
IDENTITY
)
@GeneratedValue
(
strategy
=
GenerationType
.
IDENTITY
)
@ColumnDefault
(
"nextval('products_seq'::regclass)"
)
@Column
(
name
=
"product_id"
,
nullable
=
false
)
@Column
(
name
=
"product_id"
,
nullable
=
false
)
private
Integer
id
;
private
Integer
id
;
...
...
PC37-SklepSpring/src/main/java/sklep/repository/ProductRepository.java
View file @
ca963626
package
sklep
.
repository
;
package
sklep
.
repository
;
import
java.math.BigDecimal
;
import
java.util.List
;
import
java.util.List
;
import
org.springframework.data.jpa.repository.JpaRepository
;
import
org.springframework.data.jpa.repository.JpaRepository
;
import
sklep.model.Product
;
import
sklep.model.Product
;
/* Gdy w projekcie umieścimy interfejs rozszerzający interfejs JpaRepository (albo podobny)
* to Spring AUTOMATYCZNIE UTWORZY IMPLEMENTACJĘ tego interfejsu.
* Dzięki temu "za darmo" mamy metody dający podstawowy dostęp do tabel.
* Dodatkowo w interfejsie można dopisać własne metody, w których nazwie kryje się zasada działania.
* Np. findByPriceBetween szuka produktów o cenie między min i max.
*
* findByEmail - szuka rekordów z polem email równym parametrowi.
*
* przejście do innych tabel / encji:
* List<Employee> findByDepartment_Location_City(String city)
* jakby w Javie sprawdzić: employee.getDepartment().getLocation.getCity().equals(city)
*
* https://www.baeldung.com/spring-data-derived-queries
*
* Można też do dowolnej metody dopisać adnotację @Query i wtedy wykona się podane przez nas zapytanie
*/
public
interface
ProductRepository
extends
JpaRepository
<
Product
,
Integer
>
{
public
interface
ProductRepository
extends
JpaRepository
<
Product
,
Integer
>
{
List
<
Product
>
findByProductName
(
String
name
);
List
<
Product
>
findByProductName
(
String
name
);
List
<
Product
>
findByProductNameContainsIgnoringCase
(
String
name
);
List
<
Product
>
findByPriceBetween
(
BigDecimal
min
,
BigDecimal
max
);
List
<
Product
>
findByProductNameContainingIgnoringCaseAndPriceBetween
(
String
name
,
BigDecimal
min
,
BigDecimal
max
);
List
<
Product
>
findByProductNameContainingIgnoreCase
(
String
name
);
}
}
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