Updated version v0.2.0 -> v0.2.1

assets/style.css

@@ -229,6 +229,7 @@ section#results a, section#results button {
     color: #000;
     cursor: pointer;
 }
+
 dialog {
     position: fixed;
     left: 50%;

db/dev/v1_0.sql

@@ -1,14 +1,34 @@
+CREATE TABLE IF NOT EXISTS "country"
+(
+    id uuid,
+    iso_name char(2) UNIQUE NOT NULL,
+    name varchar(45) NOT NULL,
+
+    primary key (id)
+);
+
 CREATE TABLE IF NOT EXISTS "holiday"
 (
     id uuid,
-    country char(2),
-    date date,
-    name varchar(64),
+    country char(2) NOT NULL,
+    date date NOT NULL,
+    name varchar(64) NOT NULL,
     description varchar(512),
-    is_state boolean,
-    is_religious boolean
+    is_state boolean NOT NULL,
+    is_religious boolean NOT NULL,
+
+    primary key (id),
+    constraint fk_country_id foreign key (country)
+        references country(iso_name) on delete cascade on update cascade
 );
 
+INSERT INTO "country" (id, iso_name, name)
+VALUES
+    ('096ca6c4-5c04-47a4-0063-4b4cc6f6b671', 'HR', 'Croatia'),
+    ('096ca6c4-5c04-47a4-0063-4b4cc6f6b672', 'US', 'USA'),
+    ('096ca6c4-5c04-47a4-0063-4b4cc6f6b673', 'FR', 'France'),
+    ('096ca6c4-5c04-47a4-0063-4b4cc6f6b674', 'GB', 'Great Britain');
+
 INSERT INTO "holiday" (id, country, date, name, description, is_state, is_religious)
 VALUES
     ('096ca6c4-5c04-47a4-b363-4b4cc6f6b671', 'HR', '2023-01-01', 'Nova godina', '', true, false),

handlers.go

@@ -10,7 +10,7 @@ import (
 	"time"
 )
 
-func getHolidays(service holiday.Service) gin.HandlerFunc {
+func getHolidays(service holiday.HolidayService) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		paging := holiday.Paging{PageSize: 50}
 		if err := c.ShouldBindQuery(&paging); err != nil {

holiday/country_service.go

@@ -0,0 +1,40 @@
+package holiday
+
+import (
+	"github.com/google/uuid"
+	"github.com/jmoiron/sqlx"
+)
+
+type CountryService struct {
+	DB *sqlx.DB
+}
+
+func (s *CountryService) FindById(id uuid.UUID) (Country, error) {
+	var country Country
+	return country, s.DB.Get(&country, `SELECT * FROM "country" WHERE "id" = $1;`, id)
+}
+
+func (s *CountryService) Find() ([]Country, error) {
+	var countries []Country
+	return countries, s.DB.Select(&countries, `SELECT * FROM "country";`)
+}
+
+func (s *CountryService) Update(country Country) (Country, error) {
+	_, err := s.DB.Exec(`UPDATE country SET "iso_name" = $2, "name" = $3 WHERE "id" = $1`,
+		&country.Id, &country.IsoName, &country.Name,
+	)
+	return country, err
+}
+
+func (s *CountryService) Create(country Country) (Country, error) {
+	country.Id = uuid.Must(uuid.NewRandom())
+	_, err := s.DB.Exec(`INSERT INTO country (id, iso_name, name) values ($1, $2, $3)`,
+		&country.Id, &country.IsoName, &country.Name,
+	)
+	return country, err
+}
+
+func (s *CountryService) Delete(id uuid.UUID) error {
+	_, err := s.DB.Exec(`DELETE FROM country WHERE "id" = $1`, &id)
+	return err
+}

holiday/holiday_service.go

@@ -8,11 +8,11 @@ import (
 	"time"
 )
 
-type Service struct {
+type HolidayService struct {
 	DB *sqlx.DB
 }
 
-func (s *Service) Find(search Search, paging Paging) ([]Holiday, error) {
+func (s *HolidayService) Find(search Search, paging Paging) ([]Holiday, error) {
 	var holidays []Holiday
 	var err error
 	if search.Date != nil {
@@ -30,32 +30,32 @@ func (s *Service) Find(search Search, paging Paging) ([]Holiday, error) {
 	return s.paginate(holidays, paging), err
 }
 
-func (s *Service) FindById(id uuid.UUID) (Holiday, error) {
+func (s *HolidayService) FindById(id uuid.UUID) (Holiday, error) {
 	var holiday Holiday
 	return holiday, s.DB.Get(&holiday, `SELECT * FROM "holiday" WHERE "id" = $1;`, id)
 }
 
-func (s *Service) findByDate(date time.Time, isState *bool, isReligious *bool, country string) ([]Holiday, error) {
+func (s *HolidayService) findByDate(date time.Time, isState *bool, isReligious *bool, country string) ([]Holiday, error) {
 	var holidays []Holiday
 	return holidays, s.DB.Select(&holidays, `SELECT * FROM "holiday" WHERE "date" = $1 AND country = $2 `+s.filter(isState, isReligious)+";", date, country)
 }
 
-func (s *Service) findForRange(rangeStart time.Time, rangeEnd time.Time, isState *bool, isReligious *bool, country string) ([]Holiday, error) {
+func (s *HolidayService) findForRange(rangeStart time.Time, rangeEnd time.Time, isState *bool, isReligious *bool, country string) ([]Holiday, error) {
 	var holidays []Holiday
 	return holidays, s.DB.Select(&holidays, `SELECT * FROM "holiday" WHERE "date" BETWEEN $1 AND $2 AND country = $3`+s.filter(isState, isReligious)+";", rangeStart, rangeEnd, country)
 }
 
-func (s *Service) findByYear(year int, isState *bool, isReligious *bool, country string) ([]Holiday, error) {
+func (s *HolidayService) findByYear(year int, isState *bool, isReligious *bool, country string) ([]Holiday, error) {
 	var holidays []Holiday
 	return holidays, s.DB.Select(&holidays, `SELECT * FROM "holiday" WHERE extract(year from "date") = $1 AND country = $2 `+s.filter(isState, isReligious)+";", year, country)
 }
 
-func (s *Service) find(isState *bool, isReligious *bool, country string) ([]Holiday, error) {
+func (s *HolidayService) find(isState *bool, isReligious *bool, country string) ([]Holiday, error) {
 	var holidays []Holiday
 	return holidays, s.DB.Select(&holidays, `SELECT * FROM "holiday" WHERE country = $1 `+s.filter(isState, isReligious)+";", country)
 }
 
-func (s *Service) paginate(holidays []Holiday, paging Paging) []Holiday {
+func (s *HolidayService) paginate(holidays []Holiday, paging Paging) []Holiday {
 	start := paging.Page * paging.PageSize
 	end := (paging.Page + 1) * paging.PageSize
 	if end < len(holidays) {
@@ -67,7 +67,7 @@ func (s *Service) paginate(holidays []Holiday, paging Paging) []Holiday {
 	}
 }
 
-func (s *Service) filter(isState *bool, isReligious *bool) string {
+func (s *HolidayService) filter(isState *bool, isReligious *bool) string {
 	var filters []string
 	if isState != nil {
 		filters = append(filters, "is_state = "+strconv.FormatBool(*isState))
@@ -82,14 +82,14 @@ func (s *Service) filter(isState *bool, isReligious *bool) string {
 	}
 }
 
-func (s *Service) Update(holiday Holiday) (Holiday, error) {
+func (s *HolidayService) Update(holiday Holiday) (Holiday, error) {
 	_, err := s.DB.Exec(`UPDATE holiday SET "country" = $1, "name" = $2, "description" = $3, "date" = $4, "is_state"=$5, "is_religious"=$6 WHERE "id" = $7`,
 		&holiday.Country, &holiday.Name, &holiday.Description, &holiday.Date, &holiday.IsStateHoliday, &holiday.IsReligiousHoliday, &holiday.Id,
 	)
 	return holiday, err
 }
 
-func (s *Service) Create(holiday Holiday) (Holiday, error) {
+func (s *HolidayService) Create(holiday Holiday) (Holiday, error) {
 	holiday.Id = uuid.Must(uuid.NewRandom())
 	_, err := s.DB.Exec(`INSERT INTO holiday (id, country, name, description, date, is_state, is_religious) values ($1, $2, $3, $4, $5, $6, $7)`,
 		&holiday.Id, &holiday.Country, &holiday.Name, &holiday.Description, &holiday.Date, &holiday.IsStateHoliday, &holiday.IsReligiousHoliday,
@@ -97,7 +97,7 @@ func (s *Service) Create(holiday Holiday) (Holiday, error) {
 	return holiday, err
 }
 
-func (s *Service) Delete(id uuid.UUID) error {
+func (s *HolidayService) Delete(id uuid.UUID) error {
 	_, err := s.DB.Exec(`DELETE FROM holiday WHERE "id" = $1`, &id)
 	return err
 }

holiday/model.go

@@ -15,6 +15,12 @@ type Holiday struct {
 	IsReligiousHoliday bool      `db:"is_religious"`
 }
 
+type Country struct {
+	Id      uuid.UUID `db:"id"`
+	IsoName string    `db:"iso_name"`
+	Name    string    `db:"name"`
+}
+
 type Paging struct {
 	PageSize int `form:"page_size" binging:"min=0"`
 	Page     int `form:"page" binging:"min=0"`

holiday/year_searvice.go

@@ -0,0 +1,14 @@
+package holiday
+
+import (
+	"github.com/jmoiron/sqlx"
+)
+
+type YearService struct {
+	DB *sqlx.DB
+}
+
+func (s *YearService) Find() ([]int, error) {
+	var years []int
+	return years, s.DB.Select(&years, "SELECT distinct extract(year from date) as date FROM holiday order by date asc")
+}

main.go

@@ -53,11 +53,13 @@ func main() {
 
 	loadTemplates(g)
 
-	holidayService := holiday.Service{DB: client}
+	holidayService := holiday.HolidayService{DB: client}
+	countryService := holiday.CountryService{DB: client}
+	yearService := holiday.YearService{DB: client}
 
 	g.GET("/api/v1/holidays", getHolidays(holidayService))
 
-	setupAdminDashboard(g.Group("/admin"), holidayService)
+	setupAdminDashboard(g.Group("/admin"), holidayService, countryService, yearService)
 
 	g.GET("/", func(c *gin.Context) {
 		year := time.Now().Year()
@@ -67,10 +69,14 @@ func main() {
 			return
 		}
 		holidays, _ := holidayService.Find(search, holiday.Paging{PageSize: 100})
-		c.HTML(http.StatusOK, "index.gohtml", gin.H{"Search": search, "Holidays": mapHolidays(holidays).Holidays})
+		countries, _ := countryService.Find()
+		years, _ := yearService.Find()
+		c.HTML(http.StatusOK, "index.gohtml", gin.H{"Years": years, "Countries": countries, "Search": search, "Holidays": mapHolidays(holidays).Holidays})
 	})
 	g.GET("/documentation", func(c *gin.Context) {
-		c.HTML(http.StatusOK, "documentation.gohtml", nil)
+		countries, _ := countryService.Find()
+		years, _ := yearService.Find()
+		c.HTML(http.StatusOK, "documentation.gohtml", gin.H{"Years": years, "Countries": countries})
 	})
 	g.GET("/search", func(c *gin.Context) {
 		request := holiday.Search{}
@@ -80,10 +86,12 @@ func main() {
 		}
 		search := holiday.Search{Country: request.Country, Date: request.Date}
 		holidays, _ := holidayService.Find(search, holiday.Paging{PageSize: 100})
-		c.HTML(http.StatusOK, "search.gohtml", gin.H{"Search": search, "Holidays": mapHolidays(holidays).Holidays})
+		countries, _ := countryService.Find()
+		c.HTML(http.StatusOK, "search.gohtml", gin.H{"Countries": countries, "Search": search, "Holidays": mapHolidays(holidays).Holidays})
 	})
 	g.GET("/dialogs/check-is-a-holiday", func(c *gin.Context) {
-		c.HTML(http.StatusOK, "check-is-a-holiday.gohtml", gin.H{})
+		countries, _ := countryService.Find()
+		c.HTML(http.StatusOK, "check-is-a-holiday.gohtml", gin.H{"Countries": countries})
 	})
 
 	log.Fatal(http.ListenAndServe(":5281", g))
@@ -112,15 +120,19 @@ func loadTemplates(g *gin.Engine) {
 		"templates/documentation.gohtml",
 
 		"templates/admin_dashboard.gohtml",
+		"templates/countries.gohtml",
 
 		"templates/dialogs/add-holiday.gohtml",
 		"templates/dialogs/edit-holiday.gohtml",
 		"templates/dialogs/delete-holiday.gohtml",
 		"templates/dialogs/check-is-a-holiday.gohtml",
+
+		"templates/dialogs/edit-country.gohtml",
+		"templates/dialogs/delete-country.gohtml",
 	)
 }
 
-func setupAdminDashboard(adminDashboard *gin.RouterGroup, service holiday.Service) {
+func setupAdminDashboard(adminDashboard *gin.RouterGroup, service holiday.HolidayService, countryService holiday.CountryService, yearService holiday.YearService) {
 	adminDashboard.Use(gin.BasicAuth(loadAuth()))
 
 	adminDashboard.GET("/", func(c *gin.Context) {
@@ -132,14 +144,17 @@ func setupAdminDashboard(adminDashboard *gin.RouterGroup, service holiday.Servic
 		}
 		holidays, _ := service.Find(search, holiday.Paging{PageSize: 100})
 		holidayResponse := mapHolidays(holidays)
+		countries, _ := countryService.Find()
+		years, _ := yearService.Find()
 
 		response := map[string]any{}
-		response["holidays"] = holidayResponse
-		response["search"] = search
+		response["Holidays"] = holidayResponse
+		response["Search"] = search
+		response["Countries"] = countries
+		response["Years"] = years
 
 		c.HTML(http.StatusOK, "admin_dashboard.gohtml", response)
 	})
-
 	adminDashboard.POST("/holidays", func(c *gin.Context) {
 		request := struct {
 			Id                 *string   `form:"id"`
@@ -190,8 +205,56 @@ func setupAdminDashboard(adminDashboard *gin.RouterGroup, service holiday.Servic
 		}
 		c.Redirect(http.StatusSeeOther, "/admin?country="+hol.Country+"&year="+strconv.FormatInt(int64(hol.Date.Year()), 10))
 	})
+	adminDashboard.GET("/countries", func(c *gin.Context) {
+		countries, _ := countryService.Find()
+		c.HTML(http.StatusOK, "countries.gohtml", gin.H{"Countries": countries})
+	})
+	adminDashboard.POST("/countries", func(c *gin.Context) {
+		request := struct {
+			Id      *string `form:"id"`
+			IsoName string  `form:"iso_name" binding:"required,min=2,max=2"`
+			Name    string  `form:"name" binding:"required,min=1,max=45"`
+		}{}
+		if err := c.ShouldBind(&request); err != nil {
+			c.AbortWithError(http.StatusBadRequest, err)
+			return
+		}
+
+		country := holiday.Country{
+			IsoName: request.IsoName,
+			Name:    request.Name,
+		}
+
+		var err error
+		if request.Id != nil {
+			country.Id = uuid.MustParse(*request.Id)
+			country, err = countryService.Update(country)
+		} else {
+			country, err = countryService.Create(country)
+		}
+		if err != nil {
+			c.AbortWithError(http.StatusInternalServerError, err)
+		} else {
+			c.Redirect(http.StatusSeeOther, "/admin/countries")
+		}
+	})
+	adminDashboard.POST("/countries/:id/delete", func(c *gin.Context) {
+		id := uuid.MustParse(c.Param("id"))
+		_, err := countryService.FindById(id)
+		if err != nil {
+			c.AbortWithError(http.StatusNotFound, err)
+			return
+		}
+		if err := countryService.Delete(id); err != nil {
+			c.AbortWithError(http.StatusInternalServerError, err)
+			return
+		}
+		c.Redirect(http.StatusSeeOther, "/admin/countries")
+	})
+
 	adminDashboard.GET("/dialogs/add-holiday", func(c *gin.Context) {
-		c.HTML(http.StatusOK, "add-holiday.gohtml", gin.H{})
+		countries, _ := countryService.Find()
+		c.HTML(http.StatusOK, "add-holiday.gohtml", gin.H{"Countries": countries})
 	})
 	adminDashboard.GET("/dialogs/edit-holiday", func(c *gin.Context) {
 		id := uuid.MustParse(c.Query("id"))
@@ -200,7 +263,17 @@ func setupAdminDashboard(adminDashboard *gin.RouterGroup, service holiday.Servic
 			c.AbortWithError(http.StatusNotFound, err)
 			return
 		}
-		c.HTML(http.StatusOK, "edit-holiday.gohtml", gin.H{"Holiday": hol})
+		countries, _ := countryService.Find()
+		c.HTML(http.StatusOK, "edit-holiday.gohtml", gin.H{"Countries": countries, "Holiday": hol})
+	})
+	adminDashboard.GET("/dialogs/edit-country", func(c *gin.Context) {
+		id := uuid.MustParse(c.Query("id"))
+		country, err := countryService.FindById(id)
+		if err != nil {
+			c.AbortWithError(http.StatusNotFound, err)
+			return
+		}
+		c.HTML(http.StatusOK, "edit-country.gohtml", gin.H{"Country": country})
 	})
 	adminDashboard.GET("/dialogs/delete-holiday", func(c *gin.Context) {
 		id := uuid.MustParse(c.Query("id"))
@@ -211,6 +284,15 @@ func setupAdminDashboard(adminDashboard *gin.RouterGroup, service holiday.Servic
 		}
 		c.HTML(http.StatusOK, "delete-holiday.gohtml", gin.H{"Holiday": hol})
 	})
+	adminDashboard.GET("/dialogs/delete-country", func(c *gin.Context) {
+		id := uuid.MustParse(c.Query("id"))
+		country, err := countryService.FindById(id)
+		if err != nil {
+			c.AbortWithError(http.StatusNotFound, err)
+			return
+		}
+		c.HTML(http.StatusOK, "delete-country.gohtml", gin.H{"Country": country})
+	})
 }
 
 func loadAuth() map[string]string {

makefile

@@ -1,7 +1,7 @@
 # scripts for building app
 # requires go 1.19+ and git installed
 
-VERSION := 0.1.0
+VERSION := 0.2.1
 
 serve:
 	go run ./...

templates/admin_dashboard.gohtml

@@ -17,6 +17,7 @@
 <nav>
     <section class="container">
         <a class="selected" href="#">Search</a>
+        <a href="/admin/countries">Countries</a>
         <button data-type="dialog" data-trigger="#create-card" data-url="/admin/dialogs/add-holiday">Add new holiday</button>
     </section>
 </nav>
@@ -27,23 +28,17 @@
                 <section>
                     <label for="country">Country:</label>
                     <select id="country" name="country">
-                        <option value="HR" {{if eq .search.Country "HR"}}selected{{end}}>Croatia</option>
-                        <option value="GB" {{if eq .search.Country "GB"}}selected{{end}}>Great Britain</option>
-                        <option value="US" {{if eq .search.Country "US"}}selected{{end}}>USA</option>
-                        <option value="FR" {{if eq .search.Country "FR"}}selected{{end}}>France</option>
+                        {{range $entry := .Countries}}
+                            <option {{if eq $.Search.Country $entry.IsoName}}selected{{end}} value="{{$entry.IsoName}}">{{$entry.Name}}</option>
+                        {{end}}
                     </select>
                 </section>
                 <section>
                     <label for="year">Year:</label>
                     <select id="year" name="year">
-                        <option value="2020" {{if eq (deferint .search.Year) 2020}}selected{{end}}>2020</option>
-                        <option value="2021" {{if eq (deferint .search.Year) 2021}}selected{{end}}>2021</option>
-                        <option value="2022" {{if eq (deferint .search.Year) 2022}}selected{{end}}>2022</option>
-                        <option value="2023" {{if eq (deferint .search.Year) 2023}}selected{{end}}>2023</option>
-                        <option value="2024" {{if eq (deferint .search.Year) 2024}}selected{{end}}>2024</option>
-                        <option value="2025" {{if eq (deferint .search.Year) 2025}}selected{{end}}>2025</option>
-                        <option value="2026" {{if eq (deferint .search.Year) 2026}}selected{{end}}>2026</option>
-                        <option value="2027" {{if eq (deferint .search.Year) 2027}}selected{{end}}>2027</option>
+                        {{range $entry := .Years}}
+                            <option {{if intpeq $.Search.Year $entry}}selected{{end}} value="{{$entry}}">{{$entry}}</option>
+                        {{end}}
                     </select>
                 </section>
                 <section class="radio-group">
@@ -53,7 +48,7 @@
                         </label><input type="radio" value="false" name="sh" id="sh_false"><label for="sh_false">False
                         </label><input type="radio" value="" name="sh" id="sh_any"><label for="sh_any">All</label>
                     </div>
-                    <input type="hidden" value="{{.search.StateHoliday}}" name="state_holiday">
+                    <input type="hidden" value="{{.Search.StateHoliday}}" name="state_holiday">
                 </section>
                 <section class="radio-group">
                     <label>Is religious holiday:</label>
@@ -62,7 +57,7 @@
                         </label><input type="radio" value="false" name="rh" id="rh_false"><label for="rh_false">False
                         </label><input type="radio" value="" name="rh" id="rh_any"><label for="rh_any">All</label>
                     </div>
-                    <input type="hidden" value="{{.search.ReligiousHoliday}}" name="religious_holiday">
+                    <input type="hidden" value="{{.Search.ReligiousHoliday}}" name="religious_holiday">
                 </section>
                 <section class="actions">
                     <button class="icon primary" type="submit">
@@ -86,7 +81,7 @@
             </thead>
             <tbody>
 
-            {{range $entry := .holidays.Holidays}}
+            {{range $entry := .Holidays.Holidays}}
                 <tr>
                     <td>{{$entry.Name}}</td>
                     <td>{{$entry.Date.Format "2006-01-02"}}</td>

templates/countries.gohtml

@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Holiday-api | Admin dashboard</title>
+    <link rel="stylesheet" href="/assets/style.css">
+    <script src="/assets/global.js"></script>
+</head>
+<body>
+<div id="dialog-container"></div>
+<header>
+    <section class="container">
+        <h1><a href="/">Holiday-api | Countries</a></h1>
+    </section>
+</header>
+<nav>
+    <section class="container">
+        <a href="/admin">Search</a>
+        <a class="selected" href="#">Countries</a>
+        <button data-type="dialog" data-trigger="#create-card" data-url="/admin/dialogs/add-holiday">Add new holiday</button>
+    </section>
+</nav>
+<main>
+
+    <section style="margin: 1em; flex-grow: 1">
+        <form action="/admin/countries" method="post">
+            <table style="width: 100%">
+                <thead>
+                <tr>
+                    <th>Iso name</th>
+                    <th>Name</th>
+                    <th></th>
+                </tr>
+                </thead>
+                <tbody>
+
+                <tr>
+                    <td><section><input minlength="2" maxlength="2" required id="iso_name" type="text" name="iso_name"></section></td>
+                    <td><section><input minlength="1" maxlength="45" required id="name" type="text" name="name"></section></td>
+                    <td><button>Create country</button></td>
+                </tr>
+
+                {{range $entry := .Countries}}
+                    <tr>
+                        <td>{{$entry.IsoName}}</td>
+                        <td>{{$entry.Name}}</td>
+                        <td>
+                            <button type="button" data-type="dialog" data-trigger="#update-card" data-url="/admin/dialogs/edit-country?id={{$entry.Id}}" class="clean icon"><img class="icon" src="/assets/images/edit.svg"></button>
+                            <button type="button" data-type="dialog" data-trigger="#delete-card" data-url="/admin/dialogs/delete-country?id={{$entry.Id}}" class="clean icon"><img class="icon" src="/assets/images/trash-delete.svg"></button>
+                        </td>
+                    </tr>
+                {{end}}
+                </tbody>
+            </table>
+        </form>
+    </section>
+</main>
+</body>
+</html>

templates/dialogs/add-holiday.gohtml

@@ -4,10 +4,9 @@
         <section>
             <label for="country">Country:</label>
             <select id="country" required name="country">
-                <option value="HR">Croatia</option>
-                <option value="US">United states</option>
-                <option value="FR">France</option>
-                <option value="GB">Great Britain</option>
+                {{range $entry := .Countries}}
+                    <option value="{{$entry.IsoName}}">{{$entry.Name}}</option>
+                {{end}}
             </select>
         </section>
         <section>

templates/dialogs/check-is-a-holiday.gohtml

@@ -7,10 +7,9 @@
         <section>
             <label for="country">Country:</label>
             <select id="country" name="country">
-                <option value="HR">Croatia</option>
-                <option value="US">United states</option>
-                <option value="FR">France</option>
-                <option value="GB">Great Britain</option>
+                {{range $entry := .Countries}}
+                    <option value="{{$entry.IsoName}}">{{$entry.Name}}</option>
+                {{end}}
             </select>
         </section>
         <section>

templates/dialogs/delete-country.gohtml

@@ -0,0 +1,11 @@
+
+<dialog class="card" id="delete-card">
+    <h3 class="card-title">Delete country</h3>
+    <p>Are you sure you want to delete "{{.Country.Name}}"?<br>All holidays for given country will be deleted!</p>
+    <form method="post" action="/admin/countries/{{.Country.Id}}/delete">
+        <section class="actions">
+            <button type="submit">Delete</button>
+            <button type="button" onclick="closeDialog('#delete-card')">Cancel</button>
+        </section>
+    </form>
+</dialog>

templates/dialogs/edit-country.gohtml

@@ -0,0 +1,18 @@
+<dialog class="card" id="update-card">
+    <h3 class="card-title">Edit country</h3>
+    <form method="post" action="/admin/countries">
+        <input type="hidden" name="id" value="{{.Country.Id}}">
+        <section>
+            <label for="name">Iso name:</label>
+            <input required minlength="2" maxlength="2" id="iso_name" value="{{.Country.IsoName}}" name="iso_name" type="text">
+        </section>
+        <section>
+            <label for="name">Name:</label>
+            <input required minlength="1" maxlength="45" id="name" value="{{.Country.Name}}" name="name" type="text">
+        </section>
+        <section class="actions">
+            <button type="submit">Update</button>
+            <button type="button" onclick="closeDialog('#update-card')">Cancel</button>
+        </section>
+    </form>
+</dialog>

templates/dialogs/edit-holiday.gohtml

@@ -5,10 +5,9 @@
         <section>
             <label for="country">Country:</label>
             <select id="country" required name="country">
-                <option {{if eq .Holiday.Country "HR"}}selected{{end}} value="HR">Croatia</option>
-                <option {{if eq .Holiday.Country "US"}}selected{{end}} value="US">United states</option>
-                <option {{if eq .Holiday.Country "FR"}}selected{{end}} value="FR">France</option>
-                <option {{if eq .Holiday.Country "GB"}}selected{{end}} value="GB">Great Britain</option>
+                {{range $entry := .Countries}}
+                    <option {{if eq $.Holiday.Country $entry.IsoName}}selected{{end}} value="{{$entry.IsoName}}">{{$entry.Name}}</option>
+                {{end}}
             </select>
         </section>
         <section>

templates/documentation.gohtml

@@ -29,10 +29,9 @@
                 <section>
                     <label for="country">Country</label>
                     <select id="country" name="country">
-                        <option value="HR">Croatia</option>
-                        <option value="GB">Great Britain</option>
-                        <option value="US">USA</option>
-                        <option value="FR">France</option>
+                        {{range $entry := .Countries}}
+                            <option value="{{$entry.IsoName}}">{{$entry.Name}}</option>
+                        {{end}}
                     </select>
                 </section>
 
@@ -62,14 +61,9 @@
                         <section>
                             <label for="dsy-year">Year</label>
                             <select id="dsy-year" name="year">
-                                <option value="2020">2020</option>
-                                <option value="2021">2021</option>
-                                <option value="2022">2022</option>
-                                <option value="2023">2023</option>
-                                <option value="2024">2024</option>
-                                <option value="2025">2025</option>
-                                <option value="2026">2026</option>
-                                <option value="2027">2027</option>
+                                {{range $entry := .Years}}
+                                    <option value="{{$entry}}">{{$entry}}</option>
+                                {{end}}
                             </select>
                         </section>
                     </div>

templates/index.gohtml

@@ -28,19 +28,17 @@
                 <section>
                     <label for="country">Country:</label>
                     <select id="country" name="country">
-                        <option {{if eq .Search.Country "HR"}}selected{{end}} value="HR">Croatia</option>
-                        <option {{if eq .Search.Country "US"}}selected{{end}} value="US">United states</option>
-                        <option {{if eq .Search.Country "FR"}}selected{{end}} value="FR">France</option>
-                        <option {{if eq .Search.Country "GB"}}selected{{end}} value="GB">Great Britain</option>
+                        {{range $entry := .Countries}}
+                            <option {{if eq $.Search.Country $entry.IsoName}}selected{{end}} value="{{$entry.IsoName}}">{{$entry.Name}}</option>
+                        {{end}}
                     </select>
                 </section>
                 <section>
                     <label for="year">Year:</label>
                     <select id="year" name="year">
-                        <option {{if intpeq .Search.Year 2020}}selected{{end}} value="2020">2020</option>
-                        <option {{if intpeq .Search.Year 2021}}selected{{end}} value="2021">2021</option>
-                        <option {{if intpeq .Search.Year 2022}}selected{{end}} value="2022">2022</option>
-                        <option {{if intpeq .Search.Year 2023}}selected{{end}} value="2023">2023</option>
+                        {{range $entry := .Years}}
+                            <option {{if intpeq $.Search.Year $entry}}selected{{end}} value="{{$entry}}">{{$entry}}</option>
+                        {{end}}
                     </select>
                 </section>
                 <section class="radio-group">

templates/search.gohtml

@@ -29,10 +29,9 @@
                 <section>
                     <label for="country">Country:</label>
                     <select id="country" name="country">
-                        <option {{if eq .Search.Country "HR"}}selected{{end}} value="HR">Croatia</option>
-                        <option {{if eq .Search.Country "US"}}selected{{end}} value="US">United states</option>
-                        <option {{if eq .Search.Country "FR"}}selected{{end}} value="FR">France</option>
-                        <option {{if eq .Search.Country "GB"}}selected{{end}} value="GB">Great Britain</option>
+                        {{range $entry := .Countries}}
+                            <option {{if eq $.Search.Country $entry.IsoName}}selected{{end}} value="{{$entry.IsoName}}">{{$entry.Name}}</option>
+                        {{end}}
                     </select>
                 </section>
                 <section>