[chore] Deinterface processor and subprocessors (#1501)

* [chore] Deinterface processor and subprocessors

* expose subprocessors via function calls

* missing license header

1 files changed, 159 insertions, 0 deletions

diff --git a/internal/processing/account/statuses.go b/internal/processing/account/statuses.go
new file mode 100644
index 000000000..29833086d
--- /dev/null
+++ b/internal/processing/account/statuses.go
@@ -0,0 +1,159 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package account
+
+import (
+	"context"
+	"fmt"
+
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+// StatusesGet fetches a number of statuses (in time descending order) from the given account, filtered by visibility for
+// the account given in authed.
+func (p *Processor) StatusesGet(ctx context.Context, requestingAccount *gtsmodel.Account, targetAccountID string, limit int, excludeReplies bool, excludeReblogs bool, maxID string, minID string, pinnedOnly bool, mediaOnly bool, publicOnly bool) (*apimodel.PageableResponse, gtserror.WithCode) {
+	if requestingAccount != nil {
+		if blocked, err := p.db.IsBlocked(ctx, requestingAccount.ID, targetAccountID, true); err != nil {
+			return nil, gtserror.NewErrorInternalError(err)
+		} else if blocked {
+			return nil, gtserror.NewErrorNotFound(fmt.Errorf("block exists between accounts"))
+		}
+	}
+
+	statuses, err := p.db.GetAccountStatuses(ctx, targetAccountID, limit, excludeReplies, excludeReblogs, maxID, minID, pinnedOnly, mediaOnly, publicOnly)
+	if err != nil {
+		if err == db.ErrNoEntries {
+			return util.EmptyPageableResponse(), nil
+		}
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	var filtered []*gtsmodel.Status
+	for _, s := range statuses {
+		visible, err := p.filter.StatusVisible(ctx, s, requestingAccount)
+		if err == nil && visible {
+			filtered = append(filtered, s)
+		}
+	}
+
+	count := len(filtered)
+
+	if count == 0 {
+		return util.EmptyPageableResponse(), nil
+	}
+
+	items := []interface{}{}
+	nextMaxIDValue := ""
+	prevMinIDValue := ""
+	for i, s := range filtered {
+		item, err := p.tc.StatusToAPIStatus(ctx, s, requestingAccount)
+		if err != nil {
+			return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status to api: %s", err))
+		}
+
+		if i == count-1 {
+			nextMaxIDValue = item.GetID()
+		}
+
+		if i == 0 {
+			prevMinIDValue = item.GetID()
+		}
+
+		items = append(items, item)
+	}
+
+	return util.PackagePageableResponse(util.PageableResponseParams{
+		Items:          items,
+		Path:           fmt.Sprintf("/api/v1/accounts/%s/statuses", targetAccountID),
+		NextMaxIDValue: nextMaxIDValue,
+		PrevMinIDValue: prevMinIDValue,
+		Limit:          limit,
+		ExtraQueryParams: []string{
+			fmt.Sprintf("exclude_replies=%t", excludeReplies),
+			fmt.Sprintf("exclude_reblogs=%t", excludeReblogs),
+			fmt.Sprintf("pinned_only=%t", pinnedOnly),
+			fmt.Sprintf("only_media=%t", mediaOnly),
+			fmt.Sprintf("only_public=%t", publicOnly),
+		},
+	})
+}
+
+// WebStatusesGet fetches a number of statuses (in descending order) from the given account. It selects only
+// statuses which are suitable for showing on the public web profile of an account.
+func (p *Processor) WebStatusesGet(ctx context.Context, targetAccountID string, maxID string) (*apimodel.PageableResponse, gtserror.WithCode) {
+	acct, err := p.db.GetAccountByID(ctx, targetAccountID)
+	if err != nil {
+		if err == db.ErrNoEntries {
+			err := fmt.Errorf("account %s not found in the db, not getting web statuses for it", targetAccountID)
+			return nil, gtserror.NewErrorNotFound(err)
+		}
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	if acct.Domain != "" {
+		err := fmt.Errorf("account %s was not a local account, not getting web statuses for it", targetAccountID)
+		return nil, gtserror.NewErrorNotFound(err)
+	}
+
+	statuses, err := p.db.GetAccountWebStatuses(ctx, targetAccountID, 10, maxID)
+	if err != nil {
+		if err == db.ErrNoEntries {
+			return util.EmptyPageableResponse(), nil
+		}
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	count := len(statuses)
+
+	if count == 0 {
+		return util.EmptyPageableResponse(), nil
+	}
+
+	items := []interface{}{}
+	nextMaxIDValue := ""
+	prevMinIDValue := ""
+	for i, s := range statuses {
+		item, err := p.tc.StatusToAPIStatus(ctx, s, nil)
+		if err != nil {
+			return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting status to api: %s", err))
+		}
+
+		if i == count-1 {
+			nextMaxIDValue = item.GetID()
+		}
+
+		if i == 0 {
+			prevMinIDValue = item.GetID()
+		}
+
+		items = append(items, item)
+	}
+
+	return util.PackagePageableResponse(util.PageableResponseParams{
+		Items:            items,
+		Path:             "/@" + acct.Username,
+		NextMaxIDValue:   nextMaxIDValue,
+		PrevMinIDValue:   prevMinIDValue,
+		ExtraQueryParams: []string{},
+	})
+}