remove model files for responses

cmd/crawler/collectors/collector.go

@@ -3,6 +3,5 @@ package collectors
 import "crowsnest/internal/model/database"
 
 type Collector struct {
-	Responses *database.ResponseModel
 	Articles *database.ArticleModel
 }

cmd/crawler/collectors/spiegel.go

@@ -17,7 +17,7 @@ func (c *Collector) CollectSpiegel() {
 	collycollector := colly.NewCollector(
 		colly.AllowedDomains("www.spiegel.de", "spiegel.de"),
 		colly.CacheDir("./persistence/spiegel_cache"),
-		colly.MaxDepth(5),
+		colly.MaxDepth(3),
 	)
 
 	// store articles
@@ -42,7 +42,7 @@ func (c *Collector) CollectSpiegel() {
 	})
 
 	// go through archive
-	startDate := time.Date(2025, time.January, 1, 0, 0, 0, 0, time.UTC)
+	startDate := time.Date(2020, time.January, 1, 0, 0, 0, 0, time.UTC)
 	currentDate := time.Now()
 
 	for date := startDate; date.Before(currentDate) || date.Equal(currentDate); date = date.AddDate(0, 0, 1) {

cmd/crawler/collectors/zeit.go

@@ -19,7 +19,7 @@ func (c *Collector) CollectZeit() {
 	collycollector := colly.NewCollector(
 		colly.AllowedDomains("www.zeit.de", "zeit.de"),
 		colly.CacheDir("./persistence/zeit_cache"),
-		colly.MaxDepth(5),
+		colly.MaxDepth(3),
 	)
 
 	// store articles
@@ -44,7 +44,7 @@ func (c *Collector) CollectZeit() {
 	})
 
 	// go through archive
-	startDate := time.Date(2025, time.January, 1, 0, 0, 0, 0, time.UTC)
+	startDate := time.Date(2020, time.January, 1, 0, 0, 0, 0, time.UTC)
 	//startDate := time.Date(1946, time.January, 1, 0, 0, 0, 0, time.UTC)
 	currentDate := time.Now()
 

cmd/crawler/main.go

@@ -6,6 +6,7 @@ import (
 	"database/sql"
 	"log"
 	"os"
+	"sync"
 
 	_ "github.com/lib/pq"
 )
@@ -23,10 +24,20 @@ func main() {
 
 	// collect websites
 	coll := collectors.Collector{
-		Responses: &database.ResponseModel{DB: db},
 		Articles: &database.ArticleModel{DB: db},
 	}
 
-	coll.SpiegelCollect()
+	var wg sync.WaitGroup
-	//coll.Zeit()
+	wg.Add(2)
+
+	go func() {
+		defer wg.Done()
+		coll.CollectSpiegel()
+	}()
+	go func() {
+		defer wg.Done()
+		go coll.CollectZeit()
+	}()
+
+	wg.Wait()
 }

internal/model/database/responeses.go

@@ -1,134 +0,0 @@
-package database
-
-import (
-	"crowsnest/internal/model"
-	"database/sql"
-)
-
-type ResponseModel struct {
-	DB *sql.DB
-}
-
-// Get all the response object from the database. May throw an error if the
-// connection to the database fails.
-func (m *ResponseModel) All() ([]model.Response, error) {
-	stmt := `
-        SELECT url, content, fetchDate, processed
-        FROM responses 
-    `
-	rows, err := m.DB.Query(stmt)
-	if err != nil {
-		return nil, err
-	}
-
-	responses := []model.Response{}
-	for rows.Next() {
-		r := model.Response{}
-		err := rows.Scan(&r.Url, &r.Content, &r.FetchDate, &r.Processed)
-		if err != nil {
-			return nil, err
-		}
-
-		responses = append(responses, r)
-	}
-
-	if err = rows.Err(); err != nil {
-		return nil, err
-	}
-
-	return responses, nil
-}
-
-// Gets all those Response objects where the processed column is set to false.
-// May throw an error if the connection to the database fails.
-func (m *ResponseModel) UnprocessedUrls() ([]string, error) {
-	stmt := `
-        SELECT url 
-        FROM responses 
-        WHERE NOT processed 
-    `
-	rows, err := m.DB.Query(stmt)
-	if err != nil {
-		return nil, err
-	}
-
-	urls := make([]string, 0)
-	for rows.Next() {
-		r := ""
-		err := rows.Scan(&r)
-		if err != nil {
-			return nil, err
-		}
-
-		urls = append(urls, r)
-	}
-
-	if err = rows.Err(); err != nil {
-		return nil, err
-	}
-
-	return urls, nil
-}
-
-// Checks if a given url exits in the database as a response. This may throw an
-// error if the connection to the database fails.
-func (m *ResponseModel) UrlExists(url string) (bool, error) {
-	stmt := `
-		SELECT count(url) > 0 FROM responses WHERE url = $1
-    `
-
-	var result bool
-	row := m.DB.QueryRow(stmt, url)
-	err := row.Scan(&result)
-
-	return result, err
-}
-
-// Gets a certain Response object by the unique url. This may throw an error if
-// there does not exist an response with the given url or the connection to the
-// database fails.
-func (m *ResponseModel) GetByUrl(url string) (model.Response, error) {
-	stmt := `
-        SELECT url, content, fetchDate, processed
-        FROM responses 
-        WHERE url = $1
-    `
-
-	res := model.Response{}
-	row := m.DB.QueryRow(stmt, url)
-	err := row.Scan(&res.Url, &res.Content, &res.FetchDate, &res.Processed)
-
-	return res, err
-}
-
-// Inserts a new response object into the database given the url and response
-// body. This may fail on an unique contraint of the url or the connection to
-// the database.
-func (m *ResponseModel) Insert(url string, content []byte) error {
-	// insert response
-	stmt := `INSERT INTO responses (url, content) VALUES ($1, $2)`
-	_, err := m.DB.Exec(stmt, url, content)
-
-	return err
-}
-
-// Updates a response object in the database using the url of the given response
-// object as the id. This may throw an error if connection to the database
-// fails.
-func (m *ResponseModel) Update(res *model.Response) error {
-	// insert response
-	stmt := `UPDATE responses SET content = $1, fetchDate = $2, processed = $3 WHERE url = $4`
-	_, err := m.DB.Exec(stmt, res.Content, res.FetchDate, res.Processed, res.Url)
-
-	return err
-}
-
-// Sets the processed column of a certain response entry in the database, given
-// an url, to true. This may fail if the connection to the database fails.
-func (m *ResponseModel) Processed(url string) error {
-	// insert response
-	stmt := `UPDATE responses SET processed = true WHERE url = $1`
-	_, err := m.DB.Exec(stmt, url)
-
-	return err
-}

internal/model/response.go

@@ -1,11 +0,0 @@
-package model
-
-import "time"
-
-// A simple cache for requests.
-type Response struct {
-	Url       string
-	Content   []byte
-	Processed bool
-	FetchDate time.Time
-}