[SEO] JobPosting structured data, canonical/OG meta, noindex private pages, fuller sitemap

Strategy = Google-for-Jobs + clean indexing. Add schema.org JobPosting JSON-LD to shift & job detail pages (title, description, datePosted, validThrough, employmentType, hiringOrganization, jobLocation, baseSalary) plus Organization + WebSite JSON-LD on the home page (SeoJsonLd helper; System.Text.Json => valid, script-safe). Layout emits per-page canonical, Open Graph + Twitter cards, and applies robots noindex,nofollow to all private/applicant areas (/Admin,/Me,/Employer,/Account,/Preferences) so applicant data is never indexed. robots.txt now disallows those + /resume,/avatar,/report,/push,/notifications and points at the sitemap; sitemap.xml adds facility pages + content pages (Download/Help/Privacy/Rules/Terms). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-07 08:16:30 +03:30
parent aa61efd46f
commit 6af6a026a1
6 changed files with 194 additions and 3 deletions
@@ -0,0 +1,127 @@
+using System.Text.Json;
+using JobsMedical.Web.Models;
+
+namespace JobsMedical.Web.Services;
+
+/// <summary>
+/// Builds schema.org JSON-LD for listings so Google surfaces them as rich results
+/// (Google for Jobs uses JobPosting). System.Text.Json guarantees valid, script-safe
+/// output (Persian + &lt; &gt; &amp; are \u-escaped), so it can be emitted inside a
+/// &lt;script type="application/ld+json"&gt; tag directly.
+/// </summary>
+public static class SeoJsonLd
+{
+    private static readonly JsonSerializerOptions Opts = new()
+    {
+        DefaultIgnoreCondition = System.Text.Json.Serialization.JsonIgnoreCondition.WhenWritingNull
+    };
+
+    public static string ShiftPosting(Shift s, string baseUrl)
+    {
+        var typeLabel = s.ShiftType switch
+        {
+            ShiftType.Day => "شیفت صبح",
+            ShiftType.Evening => "شیفت عصر",
+            ShiftType.Night => "شیفت شب",
+            _ => "آنکال",
+        };
+        object? salary = s.PayAmount is long amt && amt > 0
+            ? new { type = "MonetaryAmount", currency = "IRR", value = new { type = "QuantitativeValue", value = amt, unitText = "DAY" } }
+            : null;
+
+        var obj = new Dictionary<string, object?>
+        {
+            ["@context"] = "https://schema.org/",
+            ["@type"] = "JobPosting",
+            ["title"] = $"{s.Role?.Name} — {typeLabel}",
+            ["description"] = string.IsNullOrWhiteSpace(s.Description)
+                ? $"{typeLabel} برای {s.Role?.Name} در {s.Facility?.Name}، {s.Facility?.City?.Name}." : s.Description,
+            ["datePosted"] = s.CreatedAt.ToString("yyyy-MM-dd"),
+            ["validThrough"] = s.Date.ToString("yyyy-MM-dd"),
+            ["employmentType"] = "PER_DIEM",
+            ["directApply"] = true,
+            ["identifier"] = new { type = "PropertyValue", name = "همکادر", value = $"shift-{s.Id}" },
+            ["hiringOrganization"] = new { type = "Organization", name = s.Facility?.Name, sameAs = $"{baseUrl}/Facilities/Details/{s.FacilityId}" },
+            ["jobLocation"] = new
+            {
+                type = "Place",
+                address = new { type = "PostalAddress", addressLocality = s.Facility?.City?.Name, addressCountry = "IR", streetAddress = s.Facility?.Address }
+            },
+        };
+        if (salary is not null) obj["baseSalary"] = salary;
+        // rename "type" keys to "@type" after serialization (anonymous objects can't use @type directly)
+        return Fix(JsonSerializer.Serialize(obj, Opts));
+    }
+
+    public static string JobPosting(JobOpening j, string baseUrl)
+    {
+        var empType = j.EmploymentType switch
+        {
+            EmploymentType.FullTime => "FULL_TIME",
+            EmploymentType.PartTime => "PART_TIME",
+            EmploymentType.Contract => "CONTRACTOR",
+            _ => "OTHER",
+        };
+        long? min = j.SalaryMin, max = j.SalaryMax;
+        object? salary = (min ?? max) is long
+            ? new
+            {
+                type = "MonetaryAmount", currency = "IRR",
+                value = new { type = "QuantitativeValue", minValue = min, maxValue = max ?? min, unitText = "MONTH" }
+            }
+            : null;
+
+        var obj = new Dictionary<string, object?>
+        {
+            ["@context"] = "https://schema.org/",
+            ["@type"] = "JobPosting",
+            ["title"] = j.Title,
+            ["description"] = string.IsNullOrWhiteSpace(j.Description)
+                ? $"استخدام {j.Role?.Name} در {j.Facility?.Name}، {j.Facility?.City?.Name}." : j.Description,
+            ["datePosted"] = j.CreatedAt.ToString("yyyy-MM-dd"),
+            ["validThrough"] = j.CreatedAt.AddDays(30).ToString("yyyy-MM-dd"),
+            ["employmentType"] = empType,
+            ["directApply"] = true,
+            ["identifier"] = new { type = "PropertyValue", name = "همکادر", value = $"job-{j.Id}" },
+            ["hiringOrganization"] = new { type = "Organization", name = j.Facility?.Name, sameAs = $"{baseUrl}/Facilities/Details/{j.FacilityId}" },
+            ["jobLocation"] = new
+            {
+                type = "Place",
+                address = new { type = "PostalAddress", addressLocality = j.Facility?.City?.Name, addressCountry = "IR", streetAddress = j.Facility?.Address }
+            },
+        };
+        if (salary is not null) obj["baseSalary"] = salary;
+        return Fix(JsonSerializer.Serialize(obj, Opts));
+    }
+
+    public static string Organization(string baseUrl) => Fix(JsonSerializer.Serialize(new Dictionary<string, object?>
+    {
+        ["@context"] = "https://schema.org",
+        ["@type"] = "Organization",
+        ["name"] = "همکادر",
+        ["url"] = baseUrl,
+        ["logo"] = $"{baseUrl}/icons/icon-512.png",
+        ["description"] = "سامانه یافتن شیفت و استخدام کادر درمان در ایران.",
+    }, Opts));
+
+    public static string WebSite(string baseUrl) => Fix(JsonSerializer.Serialize(new Dictionary<string, object?>
+    {
+        ["@context"] = "https://schema.org",
+        ["@type"] = "WebSite",
+        ["name"] = "همکادر",
+        ["url"] = baseUrl,
+        ["inLanguage"] = "fa-IR",
+        ["potentialAction"] = new
+        {
+            type = "SearchAction",
+            target = $"{baseUrl}/Shifts?q={{search_term_string}}",
+            queryyy = "required name=search_term_string",
+        },
+    }, Opts));
+
+    // Nested anonymous objects use "type"/"queryyy" placeholders for @type / query-input;
+    // restore the @-prefixed schema.org keys here.
+    private static string Fix(string json) => json
+        .Replace("\"type\":", "\"@type\":")
+        .Replace("\"queryyy\":", "\"query-input\":");
+}