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32f83e358b
...
8abff30b52
4
.gitignore
vendored
4
.gitignore
vendored
@ -1,4 +1,2 @@
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/thehub_cache
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/thehub.json
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/itjobbank_cache
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/it-jobbank.json
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/jobs.json
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169
main.go
169
main.go
@ -6,7 +6,6 @@ import (
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"log"
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"os"
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"strings"
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"time"
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"github.com/gocolly/colly"
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)
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@ -20,8 +19,6 @@ type job struct {
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Description string `json:"description"`
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Link string `json:"link"`
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Skills skills `json:"skills"`
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FirstSeen time.Time `json:"firstSeen"`
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Source string `json:"source"`
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}
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type skills struct {
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@ -34,9 +31,6 @@ type skills struct {
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Tailwind bool `json:"tailwind"`
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}
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// Utility functions
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// Checks if a string contains any of the given keywords
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func skillChecker(description string) skills {
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return skills{
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React: strings.Contains(description, "React"),
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@ -48,9 +42,7 @@ func skillChecker(description string) skills {
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Tailwind: strings.Contains(description, "Tailwind"),
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}
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}
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// Converts job struct to json
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func jobsToJson(file *os.File, jobs []job, fName string) {
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func jobsToJson(file *os.File) {
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// Encode jobs slice to JSON
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encoder := json.NewEncoder(file)
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encoder.SetIndent("", " ") // Pretty-print with indentation
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@ -61,47 +53,24 @@ func jobsToJson(file *os.File, jobs []job, fName string) {
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fmt.Println("Job details successfully written to", fName)
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}
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func checkIfPaid(description string) {
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for _, keyword := range unpaidKeywords {
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if strings.Contains(strings.ToLower(description), keyword) {
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return
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}
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}
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}
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func checkIfStudent(description string) string {
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for _, keyword := range studentKeywords {
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if strings.Contains(strings.ToLower(description), keyword) {
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return "student"
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}
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}
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return "full time"
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}
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// Slice to store job details
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var (
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excluded = []string{"senior", "lead", "founder", "cto", "vp of", "erfaren", "arkitekt", "architect", "manager", "ulønnet", "unpaid", "praktik"}
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unpaidKeywords = []string{"unpaid", "praktik", "ulønnet"}
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studentKeywords = []string{"studerende", "studenter", "student", "medhjælper"}
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)
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func scrapeHub() {
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// declare and initialize variables
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var (
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jobs []job
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jobCount int
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fName = "thehub.json"
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maxJobs = 30
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baseUrl = "https://thehub.io"
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searchString = "https://thehub.io/jobs?roles=frontenddeveloper&roles=fullstackdeveloper&roles=backenddeveloper&roles=devops&paid=true&countryCode=DK&sorting=newJobs"
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file, err = os.Create(fName)
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)
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maxJobs int = 30
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fName string = "jobs.json"
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excluded = []string{"senior", "lead", "founder", "cto", "vp of"}
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)
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func scrapeJobs() {
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file, err := os.Create(fName)
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if err != nil {
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log.Fatalf("Cannot create file %q: %s", fName, err)
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}
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defer file.Close()
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baseUrl := "https://thehub.io"
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searchString := "https://thehub.io/jobs?roles=frontenddeveloper&roles=fullstackdeveloper&roles=backenddeveloper&roles=devops&paid=true&countryCode=DK&sorting=newJobs"
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// Instantiate default collector
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c := colly.NewCollector(
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// visit only the hub
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@ -115,9 +84,7 @@ func scrapeHub() {
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detailsCollector := c.Clone()
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// On every <div> element with class "card__content attribute call callback
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c.OnHTML("div[class=card__content]", func(e *colly.HTMLElement) {
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if jobCount >= maxJobs {
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return
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}
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//ensure only scrape the amount of jobs specified
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// Get the title and ensure it doesn't contain any excluded words
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title := e.ChildText("span.card-job-find-list__position")
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@ -145,14 +112,14 @@ func scrapeHub() {
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cutRight := ");"
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trimmedLogo := strings.Trim(logo, cutLeft+cutRight)
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// Get the HTML of the description and check to see if it's paid
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// Get job description
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// Get the HTML of the description
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descriptionHTML, err := e.DOM.Find("content.text-block__content > span").Html()
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if err != nil {
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log.Printf("Error getting HTML of description: %s", err)
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return
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}
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// fill in the job struct
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// Get company name
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jobDetails := job{
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Title: e.ChildText("h2[class=view-job-details__title]"),
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Logo: trimmedLogo,
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@ -162,15 +129,13 @@ func scrapeHub() {
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Description: descriptionHTML,
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Link: e.Request.URL.String(),
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Skills: skillChecker(e.ChildText("content.text-block__content > span")),
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FirstSeen: time.Now(),
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Source: baseUrl,
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}
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jobs = append(jobs, jobDetails)
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jobCount++
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fmt.Println("Scraped job", jobCount)
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if jobCount >= maxJobs {
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jobsToJson(file, jobs, fName)
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return
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if jobCount == maxJobs {
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jobsToJson(file)
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os.Exit(0)
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}
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})
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// Handle pagination
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@ -178,6 +143,7 @@ func scrapeHub() {
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nextPage := e.Attr("href")
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if nextPage != "" {
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fullNextPage := baseUrl + nextPage
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fmt.Println("Visiting next page:", fullNextPage)
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e.Request.Visit(fullNextPage)
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}
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})
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@ -186,103 +152,6 @@ func scrapeHub() {
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}
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func scrapeItJobBank() {
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// declare and initialize variables
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var (
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jobs []job
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jobCount int
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fName = "it-jobbank.json"
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maxJobs = 30
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baseUrl = "https://www.it-jobbank.dk"
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searchString = "https://www.it-jobbank.dk/jobsoegning"
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file, err = os.Create(fName)
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)
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if err != nil {
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log.Fatalf("Cannot create file %q: %s", fName, err)
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}
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defer file.Close()
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// Instantiate default collector
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c := colly.NewCollector(
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// visit only the hub
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colly.AllowedDomains("www.it-jobbank.dk", "it-jobbank.dk"),
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// Cache responses to prevent multiple requests
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colly.CacheDir("./itjobbank_cache"),
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)
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// Instantiate a new collector to visit the job details page
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detailsCollector := c.Clone()
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// On every <div> element with class "card__content attribute call callback
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c.OnHTML("div[class=result]", func(e *colly.HTMLElement) {
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if jobCount >= maxJobs {
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return
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}
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// Get the title and ensure it doesn't contain any excluded words
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title := e.ChildText("h3.job-title > a")
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for _, excludedWord := range excluded {
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if strings.Contains(strings.ToLower(title), excludedWord) {
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return
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}
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}
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fullLink := e.ChildAttr("h3.job-title > a", "href")
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detailsCollector.Visit(fullLink)
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})
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detailsCollector.OnRequest(func(r *colly.Request) {
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fmt.Println("Visiting", r.URL.String())
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})
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detailsCollector.OnHTML("section > div", func(e *colly.HTMLElement) {
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// get the description as html
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descriptionHTML, err := e.DOM.Find("div[id=job_ad]").Html()
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if err != nil {
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log.Printf("Error getting HTML of description: %s", err)
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return
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}
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// Check if the job is paid
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checkIfPaid(descriptionHTML)
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// fill in the job struct
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title := e.ChildText("h1.title")
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if title == "" {
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title = e.ChildText("h1[id=jobtitle]")
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}
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jobDetails := job{
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Title: title,
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Logo: baseUrl + e.ChildAttr("div.companmony-logo > img", "src"),
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Company: e.ChildText("p.published"),
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Location: e.ChildText("div.job-location > p.caption"),
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Type: checkIfStudent(descriptionHTML),
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Description: descriptionHTML,
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Link: e.Request.URL.String(),
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Skills: skillChecker(descriptionHTML),
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FirstSeen: time.Now(),
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Source: baseUrl,
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}
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jobs = append(jobs, jobDetails)
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jobCount++
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fmt.Println("Scraped job", jobCount)
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if jobCount >= maxJobs {
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jobsToJson(file, jobs, fName)
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return
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}
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})
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// Handle pagination
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c.OnHTML("a.page-link", func(e *colly.HTMLElement) {
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if jobCount >= maxJobs {
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return
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}
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nextPage := e.Attr("href")
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if nextPage != "" {
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e.Request.Visit(nextPage)
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}
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})
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c.Visit(searchString)
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}
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func main() {
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scrapeHub()
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scrapeItJobBank()
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scrapeJobs()
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}
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